@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg-base:      linear-gradient(135deg, #e8f1fc 0%, #ffffff 100%) no-repeat fixed;
    --bg-surface:   rgba(255, 255, 255, 0.45);
    --bg-elevated:  rgba(255, 255, 255, 0.7);
    --bg-card:      rgba(255, 255, 255, 0.45);
    --glass-bg:     rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-border-hover: rgba(0, 113, 227, 0.35);

    /* Text */
    --text-primary:   #1d1d1f;
    --text-secondary: #4b5563;
    --text-muted:     #86868b;

    /* Brand */
    --accent:           #0071e3;
    --accent-soft:      rgba(0,113,227,0.08);
    --accent-glow:      rgba(0,113,227,0.18);
    --color-primary:    #0071e3;
    --color-primary-soft: rgba(0,113,227,0.08);
    --color-success:    #34c759;
    --color-success-soft: rgba(52,199,89,0.12);
    --color-warning:    #ff9500;
    --color-warning-soft: rgba(255,149,0,0.12);
    --color-danger:     #ff3b30;
    --color-danger-soft: rgba(255,59,48,0.10);

    /* Sidebar */
    --sidebar-width: 240px;
    --sidebar-bg:    rgba(255, 255, 255, 0.45);
    --topbar-h:      58px;

    /* Misc */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-sm:  0 4px 12px rgba(31, 38, 135, 0.03);
    --shadow-md:  0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --shadow-lg:  0 12px 40px 0 rgba(31, 38, 135, 0.12);
}

/* Dark Theme Variables (Apple Midnight Blue & Black Harmony) */
:root[data-theme="dark"] {
    --bg-base:      linear-gradient(135deg, #051329 0%, #01040a 100%) no-repeat fixed;
    --bg-surface:   rgba(10, 25, 47, 0.35);
    --bg-elevated:  rgba(16, 37, 66, 0.6);
    --bg-card:      rgba(10, 25, 47, 0.3);
    --glass-bg:     rgba(10, 25, 47, 0.3);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-border-hover: rgba(0, 113, 227, 0.5);

    --text-primary:   #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted:     #64748b;

    --sidebar-bg:    rgba(8, 20, 38, 0.35);
    --shadow-sm:  0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-md:  0 8px 32px 0 rgba(0, 0, 0, 0.45);
    --shadow-lg:  0 12px 40px 0 rgba(0, 0, 0, 0.55);
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.22); }

/* =========================================================================
   LAYOUT
   ========================================================================= */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

/* =========================================================================
   SIDEBAR
   ========================================================================= */
.app-sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--glass-border);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 200;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo {
    height: 28px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
}

/* Login logo */
.login-logo-wrap {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}
.login-logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.brand-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--accent);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 15px;
    flex-shrink: 0;
}
.brand-icon.admin { background: #5856d6; }

.brand-info h2 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.brand-info span {
    font-size: 10.5px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.sidebar-menu {
    flex: 1;
    padding: 10px 8px;
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
}
.menu-item:hover { 
    background: rgba(255, 255, 255, 0.55); 
    color: var(--text-primary); 
    transform: translateX(3px);
}
.menu-item.active { 
    background: var(--accent-soft); 
    color: var(--accent); 
    font-weight: 600; 
}
.menu-item.active .menu-icon-box {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0, 113, 227, 0.25);
}

.menu-icon-box {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}
.menu-icon-box i {
    color: #ffffff !important;
    font-size: 12.5px;
    width: auto !important;
    text-align: center;
}
.menu-icon-box.blue {
    background: linear-gradient(135deg, #0071e3 0%, #34a0ff 100%);
    box-shadow: 0 2px 6px rgba(0, 113, 227, 0.15);
}
.menu-icon-box.green {
    background: linear-gradient(135deg, #34c759 0%, #5ce685 100%);
    box-shadow: 0 2px 6px rgba(52, 199, 89, 0.15);
}
.menu-icon-box.gray {
    background: linear-gradient(135deg, #86868b 0%, #a2a2a7 100%);
    box-shadow: 0 2px 6px rgba(134, 134, 139, 0.15);
}

.menu-divider {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 12px 12px 4px;
}

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-brief { display: flex; align-items: center; gap: 9px; flex: 1; min-width: 0; }
.user-brief img {
    width: 32px; height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--glass-border);
    flex-shrink: 0;
}
.user-detail { min-width: 0; }
.user-name { display: block; font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: 11px; color: var(--text-muted); }

.logout-btn {
    width: 30px; height: 30px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    font-size: 13px;
    transition: var(--transition);
    flex-shrink: 0;
}
.logout-btn:hover { background: var(--color-danger-soft); color: var(--color-danger); }

/* Sidebar Overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 199;
    backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* =========================================================================
   MAIN CONTENT
   ========================================================================= */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}

/* =========================================================================
   NAVBAR / TOPBAR
   ========================================================================= */
.main-navbar {
    height: calc(var(--topbar-h) + env(safe-area-inset-top, 0px));
    background: var(--glass-bg);
    backdrop-filter: saturate(190%) blur(20px);
    -webkit-backdrop-filter: saturate(190%) blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: env(safe-area-inset-top, 0px) 20px 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 12px;
}

.navbar-left { display: flex; align-items: center; gap: 10px; }

/* Hamburger button - mobile only */
.navbar-menu-btn {
    display: none;
    width: 34px; height: 34px;
    border-radius: var(--radius-sm);
    align-items: center; justify-content: center;
    color: var(--text-primary);
    font-size: 16px;
    background: transparent;
    flex-shrink: 0;
}
.navbar-menu-btn:hover { background: var(--bg-base); }

.page-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.navbar-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.navbar-user-profile { display: flex; align-items: center; gap: 8px; }
.user-welcome { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
.user-welcome strong { color: var(--text-primary); font-weight: 600; }
.navbar-avatar { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; border: 1.5px solid var(--glass-border); }

/* Avatar Button */
.navbar-avatar-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: block;
    outline: none;
    position: relative;
    border-radius: 50%;
    transition: var(--transition);
}
.navbar-avatar-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
}
.navbar-avatar-btn:active {
    transform: scale(0.95);
}

/* User Dropdown Container */
.navbar-user-dropdown-container {
    position: relative;
    display: inline-block;
}

/* Dropdown Menu */
.navbar-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 200px;
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px) saturate(190%);
    -webkit-backdrop-filter: blur(20px) saturate(190%);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 6px 0;
    z-index: 999;
    transform-origin: top right;
    animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.navbar-dropdown-menu.active {
    display: block;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-8px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Dropdown Header */
.dropdown-header {
    padding: 10px 14px 8px 14px;
    display: flex;
    flex-direction: column;
    text-align: left;
}
.dropdown-header strong {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 600;
}
.dropdown-header span {
    font-size: 10.5px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Dropdown Items */
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.dropdown-item i {
    font-size: 13px;
    color: var(--text-muted);
    width: 14px;
    text-align: center;
}
.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-primary);
}
.dropdown-item:hover i {
    color: var(--text-primary);
}
.dropdown-item.danger:hover {
    background: var(--color-danger-soft);
    color: var(--color-danger);
}
.dropdown-item.danger:hover i {
    color: var(--color-danger);
}
.dropdown-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.05);
    margin: 6px 0;
}

/* =========================================================================
   CONTENT PANEL
   ========================================================================= */
.content-panel {
    padding: 20px 20px calc(20px + env(safe-area-inset-bottom, 0px)) 20px;
    flex: 1;
}

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 980px; /* Apple pill shape */
    font-size: 13.5px;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}
.btn-sm { padding: 6px 13px; font-size: 12.5px; }
.btn-primary {
    background: rgba(0, 113, 227, 0.85);
    border: 1px solid rgba(0, 113, 227, 0.4);
    color: #fff;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.15);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.btn-primary:hover { 
    background: rgba(0, 113, 227, 0.95); 
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.25);
    transform: translateY(-1px) scale(1.01); 
}
.btn-primary:active { 
    background: rgba(0, 113, 227, 0.8); 
    transform: translateY(0) scale(0.98); 
}
.btn-secondary {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.btn-secondary:hover { 
    background: rgba(0, 0, 0, 0.07); 
    border-color: rgba(0, 0, 0, 0.08);
}
:root[data-theme="dark"] .btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}
:root[data-theme="dark"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.08);
}
.btn-danger {
    background: var(--color-danger-soft);
    color: var(--color-danger);
    border: 1px solid rgba(255,59,48,0.2);
}
.btn-danger:hover { background: rgba(255,59,48,0.16); }

.nav-action-btn { padding: 7px 14px; font-size: 13px; border-radius: var(--radius-sm); }

/* =========================================================================
   FORMS
   ========================================================================= */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 10px 13px;
    background-color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    -webkit-appearance: none;
    appearance: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.form-control:focus { 
    border-color: var(--accent); 
    background-color: rgba(255, 255, 255, 0.85); 
    box-shadow: 0 0 0 3px var(--accent-soft); 
}
.form-control::placeholder { color: var(--text-muted); }
:root[data-theme="dark"] .form-control {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.06);
}
:root[data-theme="dark"] .form-control:focus {
    background-color: rgba(255, 255, 255, 0.08);
}
select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236e6e73' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { margin-top: 20px; }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 13.5px; }
.checkbox-group input[type="checkbox"] { margin-top: 2px; accent-color: var(--accent); }

/* =========================================================================
   DASHBOARD CONTROLS
   ========================================================================= */
.dashboard-controls { margin-bottom: 18px; }
.search-add-box { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.input-group { position: relative; flex: 1; min-width: 160px; }
.input-group i {
    position: absolute;
    left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); font-size: 12px; pointer-events: none;
}
.input-group input {
    width: 100%;
    padding: 9px 13px 9px 34px;
    background-color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 13.5px;
    outline: none;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.input-group input:focus { 
    background-color: rgba(255, 255, 255, 0.85);
    border-color: var(--accent); 
    box-shadow: 0 0 0 3px var(--accent-soft); 
}
:root[data-theme="dark"] .input-group input {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.06);
}
:root[data-theme="dark"] .input-group input:focus {
    background-color: rgba(255, 255, 255, 0.08);
}
.input-group input::placeholder { color: var(--text-muted); }

/* =========================================================================
   DEVICE GRID
   ========================================================================= */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.device-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px) saturate(190%);
    -webkit-backdrop-filter: blur(16px) saturate(190%);
    border-radius: var(--radius-lg);
    padding: 16px;
    transition: var(--transition);
    animation: fadeInUp 0.3s ease both;
    box-shadow: var(--shadow-sm);
}
.device-card:hover { 
    box-shadow: 0 12px 32px rgba(0, 113, 227, 0.08); 
    transform: translateY(-3px) scale(1.01); 
    border-color: rgba(0, 113, 227, 0.35); 
}

.device-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 10px;
}
.device-name { font-size: 14px; font-weight: 700; color: var(--text-primary); line-height: 1.3; margin-bottom: 2px; }
.device-code { font-size: 11px; color: var(--text-muted); font-family: 'SF Mono', 'Fira Code', monospace; }

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}
.status-badge::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}
.status-badge.online { background: var(--color-success-soft); color: #1a8a3c; }
.status-badge.online::before { display: none; } /* Replaced by animated SVG */
.status-badge.offline { background: var(--color-danger-soft); color: #c0392b; }
.status-badge.offline::before { background: var(--color-danger); }
.status-badge.busy { background: var(--color-warning-soft); color: #b36b00; }
.status-badge.busy::before { background: var(--color-warning); animation: pulse 1.5s infinite; }

.live-indicator-icon {
    width: 12px;
    height: 12px;
    vertical-align: middle;
    margin-right: 4px;
    display: inline-block;
}

.device-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-bottom: 12px;
}
.meta-item { background: var(--bg-base); border-radius: var(--radius-sm); padding: 7px 10px; }
.meta-label { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 2px; }
.meta-value { font-size: 12.5px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.time-remaining {
    background: linear-gradient(135deg, rgba(0,113,227,0.07), rgba(52,199,89,0.05));
    border: 1px solid rgba(0,113,227,0.15);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--accent);
}
.time-remaining i { font-size: 11px; }
.time-remaining.expired { background: var(--color-danger-soft); border-color: rgba(255,59,48,0.2); color: var(--color-danger); }

.device-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 980px; /* Frosted-glass pill shapes */
    font-size: 11.5px;
    font-weight: 600;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.45);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}
.action-btn i {
    font-size: 11.5px;
    transition: transform 0.23s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.action-btn:hover {
    background: rgba(255, 255, 255, 0.85);
    color: var(--text-primary);
    border-color: rgba(0, 113, 227, 0.2);
    box-shadow: 0 4px 10px rgba(0, 113, 227, 0.06);
    transform: translateY(-1px);
}
.action-btn:hover i {
    transform: scale(1.18);
}
.action-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

/* Customized colored icons */
.reboot-btn i { color: #8e8e93; }
.reboot-btn:hover i { color: var(--text-primary); }

.reset-btn i { color: var(--color-warning); }
.reset-btn:hover i { color: #ff9500; }

.auth-btn i { color: var(--color-success); }
.auth-btn:hover i { color: #34c759; }

.replace-btn i { color: var(--accent); }
.replace-btn:hover i { color: #0071e3; }

.action-btn.unlink i { color: var(--color-danger); }
.action-btn.unlink:hover i { color: #ff3b30; }

/* =========================================================================
   EMPTY STATE
   ========================================================================= */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
    max-width: 380px;
    margin: 0 auto;
}
.empty-icon {
    width: 62px; height: 62px;
    background: var(--bg-base);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    font-size: 24px;
    color: var(--text-muted);
}
.empty-state h3 { font-size: 17px; font-weight: 700; margin-bottom: 7px; }
.empty-state p { font-size: 13.5px; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.6; }

/* =========================================================================
   MODALS
   ========================================================================= */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 500;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
:root[data-theme="dark"] .modal-overlay {
    background: rgba(0,0,0,0.45);
}
.modal-overlay.active { display: flex; animation: fadeIn 0.18s ease; }
.modal-container {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(30px) saturate(190%);
    -webkit-backdrop-filter: blur(30px) saturate(190%);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 460px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
    animation: slideUpFade 0.22s ease;
}
:root[data-theme="dark"] .modal-container {
    background: rgba(10, 25, 47, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
:root[data-theme="dark"] .modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.modal-header h3 { font-size: 15px; font-weight: 700; }
.modal-close {
    width: 28px; height: 28px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 13px; transition: var(--transition);
}
.modal-close:hover { background: var(--bg-base); color: var(--text-primary); }
.modal-body { padding: 18px 20px; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 9px;
    padding: 12px 20px 18px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}
:root[data-theme="dark"] .modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* =========================================================================
   TOAST
   ========================================================================= */
#toast-container {
    position: fixed;
    bottom: 20px; right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 320px;
    width: calc(100% - 40px);
}
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
    font-size: 13.5px;
    font-weight: 500;
    animation: slideInRight 0.25s ease;
    border: 1px solid var(--glass-border);
}
.toast i { font-size: 15px; flex-shrink: 0; }
.toast.success { border-left: 3px solid var(--color-success); }
.toast.success i { color: var(--color-success); }
.toast.error { border-left: 3px solid var(--color-danger); }
.toast.error i { color: var(--color-danger); }
.toast.warning { border-left: 3px solid var(--color-warning); }
.toast.warning i { color: var(--color-warning); }
.toast.info { border-left: 3px solid var(--accent); }
.toast.info i { color: var(--accent); }

/* =========================================================================
   LOADING OVERLAY
   ========================================================================= */
#loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
:root[data-theme="dark"] #loading-overlay {
    background: rgba(4, 13, 33, 0.75);
    z-index: 400;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
}
#loading-overlay.active { display: flex; }
.spinner {
    width: 40px; height: 40px;
    border: 3px solid rgba(0,113,227,0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
#loading-overlay p { font-size: 13px; color: var(--text-secondary); }

/* =========================================================================
   ADMIN PANEL
   ========================================================================= */
.status-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.status-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.status-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 113, 227, 0.15);
}
.status-card-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 17px;
    color: #ffffff !important;
    flex-shrink: 0;
    transition: var(--transition);
    background: linear-gradient(135deg, #0088ff 0%, #0055ff 100%);
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.35);
}
.status-card-icon.green {
    background: linear-gradient(135deg, #34c759 0%, #28a745 100%);
    box-shadow: 0 4px 14px rgba(52, 199, 89, 0.35);
}
.status-card-icon.amber {
    background: linear-gradient(135deg, #ff9500 0%, #ff8c00 100%);
    box-shadow: 0 4px 14px rgba(255, 149, 0, 0.35);
}
.status-card:hover .status-card-icon {
    transform: scale(1.08) rotate(-3deg);
}
.status-card-value { font-size: 17px; font-weight: 700; display: block; color: var(--text-primary); }
.status-card-label { font-size: 11.5px; color: var(--text-secondary); display: block; margin-top: 2px; }

/* Tabs */
.admin-tabs {
    display: flex;
    gap: 3px;
    margin-bottom: 18px;
    background: var(--bg-base);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--glass-border);
    overflow-x: auto;
}
.tab-btn {
    flex: 1;
    min-width: max-content;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { background: #fff; color: var(--text-primary); font-weight: 600; box-shadow: var(--shadow-sm); border: 1px solid var(--glass-border); }
:root[data-theme="dark"] .tab-btn.active { background: rgba(16, 37, 66, 0.75); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Card wrappers */
.card-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px) saturate(190%);
    -webkit-backdrop-filter: blur(16px) saturate(190%);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-bottom: 18px; }
.settings-card { background: var(--bg-base); border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: 16px; }
.settings-card h3 { font-size: 13.5px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 7px; }
.settings-card h3 i { color: var(--accent); }

/* Info guide */
.info-guide-box {
    margin-bottom: 18px;
    background: rgba(0,113,227,0.04);
    border: 1px solid rgba(0,113,227,0.14);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.info-guide-box details summary {
    padding: 12px 15px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 7px;
    list-style: none;
    user-select: none;
}
.info-guide-box details summary::-webkit-details-marker { display: none; }
.guide-content { padding: 0 15px 15px; font-size: 12.5px; color: var(--text-secondary); line-height: 1.7; }
.guide-section { margin-bottom: 12px; }
.guide-section strong { display: block; margin-bottom: 5px; color: var(--text-primary); }
.guide-section ul { padding-left: 16px; }
.guide-section li { margin-bottom: 3px; }
.guide-section a { color: var(--accent); text-decoration: underline; }
.guide-section code { background: rgba(0,113,227,0.08); padding: 1px 5px; border-radius: 4px; font-size: 11.5px; color: #1a4480; }

/* Tables */
.table-responsive { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--glass-border); }
.logs-scrollable { max-height: 500px; overflow-y: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table thead th {
    padding: 10px 14px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-base);
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}
.admin-table tbody tr { border-bottom: 1px solid rgba(0,0,0,0.04); transition: var(--transition); }
.admin-table tbody tr:hover { background: var(--bg-base); }
.admin-table tbody tr:last-child { border-bottom: none; }
.admin-table td { padding: 11px 14px; color: var(--text-secondary); vertical-align: middle; }
.admin-table td:first-child { color: var(--text-primary); }
.table-empty { text-align: center; padding: 36px; color: var(--text-muted); }
.log-details-cell { max-width: 180px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.time-cell { white-space: nowrap; font-size: 12px; }

/* User cell */
.user-cell { display: flex; align-items: center; gap: 9px; }
.avatar-sm { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; border: 1px solid var(--glass-border); }
.avatar-xs { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-success { background: var(--color-success-soft); color: #1a7a3c; }
.badge-failed  { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-admin   { background: rgba(88,86,214,0.1); color: #5856d6; }
.badge-user    { background: var(--accent-soft); color: var(--accent); }
.badge-provider { background: var(--bg-base); color: var(--text-secondary); }

.inline-form { display: inline; }
.code-primary { font-family: 'SF Mono','Fira Code',monospace; font-size: 11.5px; background: var(--accent-soft); color: var(--accent); padding: 2px 6px; border-radius: 4px; }
.code-secondary { font-family: 'SF Mono','Fira Code',monospace; font-size: 11.5px; background: var(--color-success-soft); color: #1a7a3c; padding: 2px 6px; border-radius: 4px; }
.text-muted-italic { color: var(--text-muted); font-style: italic; font-size: 12px; }

/* Alert boxes */
.alert-box { display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-radius: var(--radius-md); font-size: 13.5px; font-weight: 500; margin-bottom: 16px; border: 1px solid; }
.alert-box.success { background: var(--color-success-soft); color: #1a7a3c; border-color: rgba(52,199,89,0.3); }
.alert-box.error   { background: var(--color-danger-soft);  color: var(--color-danger); border-color: rgba(255,59,48,0.25); }

/* =========================================================================
   MEMBER / PROFILE PAGE
   ========================================================================= */
.profile-container { display: grid; grid-template-columns: 260px 1fr; gap: 18px; align-items: start; }
.profile-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px) saturate(190%);
    -webkit-backdrop-filter: blur(16px) saturate(190%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.profile-header-card {
    padding: 28px 18px 20px;
    text-align: center;
    background: linear-gradient(160deg, var(--accent-soft) 0%, transparent 60%);
    border-bottom: 1px solid var(--glass-border);
}
.profile-main-avatar { width: 68px; height: 68px; border-radius: 50%; object-fit: cover; border: 2px solid var(--glass-border); margin: 0 auto 10px; }
.profile-header-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.profile-badge { display: inline-block; padding: 3px 10px; background: var(--accent-soft); color: var(--accent); border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; }
.profile-details { padding: 14px 16px; }
.detail-row { display: flex; justify-content: space-between; align-items: flex-start; padding: 9px 0; border-bottom: 1px solid rgba(0,0,0,0.04); font-size: 13px; gap: 12px; }
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--text-muted); display: flex; align-items: center; gap: 6px; white-space: nowrap; font-size: 12.5px; }
.detail-val { font-weight: 600; color: var(--text-primary); font-size: 12.5px; text-align: right; overflow-wrap: anywhere; word-break: break-all; }

.profile-activity { display: flex; flex-direction: column; gap: 14px; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px) saturate(190%);
    -webkit-backdrop-filter: blur(16px) saturate(190%);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 113, 227, 0.15);
}
.stat-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 17px;
    color: #ffffff !important;
    flex-shrink: 0;
    transition: var(--transition);
    background: linear-gradient(135deg, #0088ff 0%, #0055ff 100%);
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.35);
}
.stat-icon.primary {
    background: linear-gradient(135deg, #0088ff 0%, #0055ff 100%);
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.35);
}
.stat-icon.success {
    background: linear-gradient(135deg, #34c759 0%, #28a745 100%);
    box-shadow: 0 4px 14px rgba(52, 199, 89, 0.35);
}
.stat-card:hover .stat-icon {
    transform: scale(1.08) rotate(-3deg);
}
.stat-info h4 { font-size: 11.5px; font-weight: 500; color: var(--text-secondary); margin-bottom: 2px; }
.stat-info span { font-size: 17px; font-weight: 700; color: var(--text-primary); }

.activity-logs-section {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px) saturate(190%);
    -webkit-backdrop-filter: blur(16px) saturate(190%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.activity-logs-section h3 { font-size: 13.5px; font-weight: 700; padding: 14px 16px; border-bottom: 1px solid var(--glass-border); }
.logs-wrapper { max-height: 400px; overflow-y: auto; }
.log-item { padding: 11px 16px; border-bottom: 1px solid rgba(0,0,0,0.04); transition: var(--transition); }
.log-item:hover { background: var(--bg-base); }
.log-item:last-child { border-bottom: none; }
.log-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; }
.log-time { font-size: 11.5px; color: var(--text-muted); }
.log-status-badge { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 10px; }
.log-status-badge.success { background: var(--color-success-soft); color: #1a7a3c; }
.log-status-badge.failed  { background: var(--color-danger-soft); color: var(--color-danger); }
.log-body-content { display: flex; flex-wrap: wrap; gap: 5px; font-size: 12.5px; }
.log-action-name { color: var(--text-secondary); }
.log-action-name strong { color: var(--text-primary); }
.log-pad-code code { background: var(--accent-soft); color: var(--accent); padding: 1px 5px; border-radius: 3px; font-size: 11px; }
.log-desc { width: 100%; color: var(--text-muted); font-size: 12px; margin-top: 2px; }
.empty-logs {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.empty-logs img {
    display: block;
    margin: 0 auto 12px auto !important;
}
.empty-logs p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

/* =========================================================================
   LOGIN PAGE
   ========================================================================= */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: calc(24px + env(safe-area-inset-top, 0px)) 24px calc(24px + env(safe-area-inset-bottom, 0px)) 24px;
    background: radial-gradient(circle at 10% 20%, rgba(0, 113, 227, 0.12) 0%, rgba(255, 255, 255, 0.15) 90%), var(--bg-base);
    position: relative;
    overflow: hidden;
}

.login-bg-glow-1 {
    position: absolute;
    width: 350px;
    height: 350px;
    background: rgba(0, 113, 227, 0.15);
    filter: blur(90px);
    border-radius: 50%;
    top: 15%;
    left: 15%;
    z-index: 1;
    pointer-events: none;
    animation: glowPulse 8s infinite ease-in-out;
}

.login-bg-glow-2 {
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(56, 189, 248, 0.12);
    filter: blur(80px);
    border-radius: 50%;
    bottom: 20%;
    right: 15%;
    z-index: 1;
    pointer-events: none;
    animation: glowPulse 12s infinite ease-in-out alternate;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    50% { transform: translate(25px, -25px) scale(1.12); opacity: 1; }
}

.login-wrapper {
    width: 100%;
    max-width: 380px;
    animation: slideUpFade 0.4s ease;
}

.login-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.login-header { margin-bottom: 30px; }
.login-icon-glow {
    width: 68px; height: 68px;
    background: var(--accent);
    border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    font-size: 26px;
    color: #fff;
    box-shadow: 0 8px 24px var(--accent-glow);
}
.login-header h2 { font-size: 22px; font-weight: 800; margin-bottom: 7px; }
.login-header p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.6; }

.login-options { display: flex; flex-direction: column; gap: 10px; }
.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 13px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--glass-border);
    background: var(--bg-base);
    color: var(--text-primary);
    transition: var(--transition);
}
.login-btn i { font-size: 16px; }
.login-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.login-btn.google:hover { background: rgba(234,67,53,0.06); border-color: rgba(234,67,53,0.3); }
.login-btn.google i { color: #ea4335; }
.login-btn.discord:hover { background: rgba(88,101,242,0.06); border-color: rgba(88,101,242,0.3); }
.login-btn.discord i { color: #5865f2; }

/* =========================================================================
   ANIMATIONS
   ========================================================================= */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.5); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUpFade { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }

/* =========================================================================
   RESPONSIVE – MOBILE
   ========================================================================= */
@media (max-width: 768px) {
    /* Sidebar hides off-screen, shown via JS */
    .app-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    .app-sidebar.open { transform: translateX(0); }

    /* Content fills full width */
    .main-content { margin-left: 0; }

    /* Show hamburger */
    .navbar-menu-btn { display: flex; }

    /* Hide welcome text on small screens */
    .user-welcome { display: none; }

    .content-panel {
        padding: 14px 14px calc(14px + env(safe-area-inset-bottom, 0px)) 14px;
    }

    .search-add-box { flex-direction: column; align-items: stretch; }
    .input-group { min-width: 0; }

    .devices-grid { grid-template-columns: 1fr; }

    .profile-container { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }

    .form-row { grid-template-columns: 1fr; }
    .settings-grid { grid-template-columns: 1fr; }

    .admin-tabs { flex-wrap: wrap; }
    .tab-btn { flex: 0 0 auto; }

    .modal-container { margin: 0; border-radius: var(--radius-lg); }
    
    #toast-container { bottom: 14px; right: 14px; left: 14px; width: auto; }
}

@media (max-width: 480px) {
    .status-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .device-meta { grid-template-columns: 1fr 1fr; }
    .page-title { font-size: 14px; }
}

/* =========================================================================
   iOS PWA STANDALONE SPECIFIC LAYOUT ADJUSTMENTS
   ========================================================================= */
html.ios-pwa .main-navbar {
    padding-top: max(47px, env(safe-area-inset-top, 47px)) !important;
    height: calc(var(--topbar-h) + max(47px, env(safe-area-inset-top, 47px))) !important;
}
html.ios-pwa .app-sidebar {
    padding-top: max(47px, env(safe-area-inset-top, 47px)) !important;
    padding-bottom: max(34px, env(safe-area-inset-bottom, 34px)) !important;
}
html.ios-pwa .content-panel {
    padding-bottom: calc(20px + max(34px, env(safe-area-inset-bottom, 34px))) !important;
}
html.ios-pwa .login-body {
    padding-top: calc(24px + max(47px, env(safe-area-inset-top, 47px))) !important;
    padding-bottom: calc(24px + max(34px, env(safe-area-inset-bottom, 34px))) !important;
}
html.ios-pwa #toast-container {
    bottom: calc(20px + max(34px, env(safe-area-inset-bottom, 34px))) !important;
}

@media (max-width: 768px) {
    html.ios-pwa .content-panel {
        padding-bottom: calc(14px + max(34px, env(safe-area-inset-bottom, 34px))) !important;
    }
    html.ios-pwa #toast-container {
        bottom: calc(14px + max(34px, env(safe-area-inset-bottom, 34px))) !important;
    }
}

.vip-badge-inline {
    width: 14px;
    height: 14px;
    display: inline-block;
    vertical-align: middle;
    margin-left: 5px;
    filter: drop-shadow(0 1px 2px rgba(0, 113, 227, 0.2));
}

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--accent-soft);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: var(--transition);
    margin-right: 8px;
    font-size: 14px;
}
.theme-toggle-btn:hover {
    background: var(--accent-glow);
    color: var(--accent);
    transform: scale(1.05);
}

/* Card Loading Overlay */
.device-card {
    position: relative; /* Ensure overlay bounds here */
}
.card-loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(6px) saturate(190%);
    -webkit-backdrop-filter: blur(6px) saturate(190%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 100;
    border-radius: inherit;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
:root[data-theme="dark"] .card-loading-overlay {
    background: rgba(4, 13, 33, 0.65);
}
:root[data-theme="dark"] .login-body {
    background: radial-gradient(circle at 10% 20%, rgba(0, 113, 227, 0.25) 0%, rgba(0, 0, 0, 0.5) 90%), var(--bg-base);
}
.card-loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.card-loading-spinner {
    font-size: 26px;
    color: var(--accent);
    animation: spin 1s linear infinite;
}
.card-loading-text {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Logs Filter Bar */
.logs-filter-bar .form-control {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
}
.logs-filter-bar .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}
:root[data-theme="dark"] .logs-filter-bar .form-control option {
    background: #0f172a;
    color: #f8fafc;
}

/* ─────────────────────────────────────────────────────────────────────────
   ANIMATIONS & ADVANCED UI CONTROLS
   ───────────────────────────────────────────────────────────────────────── */

/* Card entrance stagger animation */
@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
.device-card {
    animation: cardEntrance 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Card deletion fade/scale out animation */
.device-card.fade-out {
    animation: cardExit 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}
@keyframes cardExit {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.92) translateY(12px);
    }
}

/* Clipboard Copy Style for table and card fields */
.copyable-code {
    cursor: pointer;
    position: relative;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}
.copyable-code:hover {
    color: var(--accent) !important;
    background: var(--accent-soft) !important;
    transform: translateY(-0.5px);
}
.copyable-code .copy-icon {
    font-size: 0.85em;
    opacity: 0.55;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.copyable-code:hover .copy-icon {
    opacity: 1;
    transform: scale(1.12);
}
.copyable-code:active {
    transform: scale(0.95);
}

.device-code.copyable-code {
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-secondary);
    font-size: 11px;
    font-family: monospace;
    margin-top: 2px;
}
:root[data-theme="dark"] .device-code.copyable-code {
    background: rgba(255, 255, 255, 0.05);
}

/* Client search & advanced filtering container adjustments */
.search-add-box {
    display: flex;
    gap: 12px;
    align-items: center;
    width: 100%;
    flex-wrap: nowrap;
}
.search-add-box .input-group {
    flex: 2;
    min-width: 200px;
}
.search-add-box .filter-group {
    display: flex;
    gap: 8px;
    flex: 3;
    align-items: center;
    justify-content: flex-start;
}
.search-add-box select.form-control {
    background-color: rgba(255, 255, 255, 0.6);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    padding: 0 32px 0 12px;
    height: 38px;
    font-size: 12.5px;
    font-weight: 500;
    outline: none;
    transition: var(--transition);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
    width: auto;
    min-width: 130px;
    flex: 1;
}
.search-add-box select.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
:root[data-theme="dark"] .search-add-box select.form-control {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.06);
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f1f5f9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] .search-add-box select.form-control option {
    background: #0b1528;
    color: #f8fafc;
}
#btn-add-device {
    flex-shrink: 0;
    white-space: nowrap;
}
@media (max-width: 1024px) {
    .search-add-box {
        flex-direction: column;
        align-items: stretch;
    }
    .search-add-box .filter-group {
        width: 100%;
        flex-wrap: wrap;
    }
    .search-add-box select.form-control {
        flex: 1;
        min-width: 120px;
    }
    #btn-add-device {
        width: 100%;
        justify-content: center;
    }
}