/* -------------------------------------------------------
   CSS Custom Properties
------------------------------------------------------- */
:root {
    --bg:          #111111;
    --body-text:   #ffffff;
    --body-muted:  #777777;
    --card-bg:     #f5f5f5;
    --card-border: #e0e0e0;
    --text:        #222222;
    --text-muted:  #777777;
    --hover-bg:    #f5f5f5;
    --accent:      #4f46e5;
    --accent-dark: #4338ca;
    --danger:      #dc2626;
    --danger-dark: #b91c1c;
    --success:     #16a34a;
    --success-dark:#15803d;
    --warning:     #d97706;
    --warning-dark:#b45309;
    --radius:      8px;
    --shadow:      0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md:   0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;

    --sidebar-bg:  #1a1d23;
    --sidebar-width: 240px;
    --bottom-nav-height: 60px;
}

/* Dark Theme */
[data-theme="dark"] {
    color-scheme: dark;
    --bg:          #000000;
    --body-text:   #ffffff;
    --body-muted:  #ffffff;
    --card-bg:     #161616;
    --card-border: #333333;
    --text:        #ffffff;
    --text-muted:  #ffffff;
    --hover-bg:    #1d1d1f;
    --sidebar-bg:  #0d0d0d;
}

/* Light Theme */
[data-theme="light"] {
    --bg:          #e9edf2;
    --body-text:   #1f2937;
    --body-muted:  #5b6573;
    --card-bg:     #ffffff;
    --card-border: #e5e7eb;
    --text:        #1f2937;
    --text-muted:  #6b7280;
    --hover-bg:    #f3f4f6;
    --sidebar-bg:  #1a1d23;
}

/* Dark Theme: Input/Button overrides */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] textarea,
[data-theme="dark"] select            { background: #1f1f1f; color: var(--text); border-color: #333; }
[data-theme="dark"] .btn              { background: #242424; color: var(--text); }
[data-theme="dark"] .btn:hover        { background: #303030; }
[data-theme="dark"] .btn-secondary    { background: #242424; color: var(--text); border-color: #333; }
[data-theme="dark"] .btn-secondary:hover { background: #303030; }
[data-theme="dark"] .table th         { background: #1a1a1a; color: var(--text-muted); border-bottom-color: #2a2a2a; }
[data-theme="dark"] .table td         { border-bottom-color: #2a2a2a; }
[data-theme="dark"] .table tr:hover td { background: #1d1d1f; }
[data-theme="dark"] .table-wrapper    { background: var(--card-bg); }
[data-theme="dark"] .card             { background: var(--card-bg); }
[data-theme="dark"] .empty-state      { background: var(--card-bg); }
[data-theme="dark"] code              { background: #242424; color: #e5e7eb; }
[data-theme="dark"] .alert-success    { background: #0a2818; color: #4ade80; border-color: #166534; }
[data-theme="dark"] .alert-error      { background: #2a0f0f; color: #f87171; border-color: #991b1b; }
[data-theme="dark"] .alert-info       { background: #0a1530; color: #93c5fd; border-color: #1e40af; }
[data-theme="dark"] .badge-success     { background: #0a2818; color: #4ade80; }
[data-theme="dark"] .badge-danger     { background: #2a0f0f; color: #f87171; }
[data-theme="dark"] .password-reveal  { background: #2a2a0f; color: #fde047; }
[data-theme="dark"] .theme-btn.active { background: var(--accent); color: #fff; }
[data-theme="dark"] .theme-btn        { background: #242424; color: var(--text); }

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

body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--body-text);
    background: var(--bg);
    -webkit-tap-highlight-color: transparent;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

code {
    background: var(--hover-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
}

/* ===== Layout ===== */
.layout {
    min-height: 100vh;
    padding-top: env(safe-area-inset-top, 0px);
}

/* ===== Sidebar (Desktop) ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    padding-top: env(safe-area-inset-top, 0px);
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand h2 {
    font-size: 20px;
    font-weight: 700;
}

.sidebar-brand span {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
    text-decoration: none;
}

.nav-item.active {
    background: rgba(79,70,229,0.15);
    color: #fff;
    border-left-color: var(--accent);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}

.sidebar-footer-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-info {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    color: rgba(255,255,255,0.5);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.btn-icon svg {
    transition: transform 0.3s ease;
}

.btn-icon:hover svg {
    transform: rotate(60deg);
}

/* ===== Content ===== */
.content {
    margin-left: var(--sidebar-width);
    padding: 16px;
    max-width: 860px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    zoom: var(--app-zoom, 1);
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.content-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
}

.content-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* ===== Bottom Navigation (Mobile) ===== */
.bottom-nav {
    display: none;
}

/* ===== Card ===== */
.card {
    background: var(--card-bg);
    color: var(--text);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text);
}

/* ===== Table ===== */
.table-wrapper {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: var(--hover-bg);
    padding: 10px 12px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--card-border);
    font-size: 13px;
    color: var(--text);
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--hover-bg);
}

.actions {
    display: flex;
    gap: 6px;
    white-space: nowrap;
    flex-wrap: wrap;
}

.inline-form {
    display: inline;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.btn-secondary {
    background: #fff;
    color: var(--text);
    border-color: var(--card-border);
}
.btn-secondary:hover {
    background: var(--hover-bg);
}

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}
.btn-success:hover {
    background: var(--success-dark);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn-danger:hover {
    background: var(--danger-dark);
}

.btn-warning {
    background: var(--warning);
    color: #fff;
    border-color: var(--warning);
}
.btn-warning:hover {
    background: var(--warning-dark);
}

.btn-outline {
    background: transparent;
    color: rgba(255,255,255,0.7);
    border-color: rgba(255,255,255,0.2);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    font-size: 16px;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    outline: none;
    transition: border-color 0.15s;
    -webkit-appearance: none;
    background: var(--card-bg);
    color: var(--text);
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.form-group small {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

.form-row {
    display: flex;
    gap: 8px;
}

.form-group-flex {
    display: flex;
    gap: 8px;
    flex: 1;
}

.form-group-flex input {
    flex: 1;
}

/* ===== Alerts ===== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.alert-info code {
    background: rgba(0,0,0,0.05);
}

/* ===== Badges ===== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
}

.badge-success {
    background: #f0fdf4;
    color: #166534;
}

.badge-danger {
    background: #fef2f2;
    color: #991b1b;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ===== Password ===== */
.password-hidden {
    color: var(--text-muted);
    letter-spacing: 2px;
}

.password-reveal {
    background: #fefce8;
    color: #854d0e;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    word-break: break-all;
}

/* ===== Login Page ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--sidebar-bg);
    padding: 16px;
    padding-top: calc(16px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}

.login-box {
    background: var(--card-bg);
    color: var(--text);
    padding: 32px 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    text-align: center;
}

.login-logo {
    display: block;
    margin: 0 auto 16px;
    width: 64px;
    height: 64px;
    border-radius: 14px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 13px;
}

/* ===== Settings view (fullscreen overlay) ===== */
.settings-view {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: calc(16px + env(safe-area-inset-top, 0px)) 16px 16px;
    overflow-y: auto;
}

.settings-inner {
    width: 100%;
    max-width: 520px;
    background: var(--card-bg);
    color: var(--text);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 18px;
}

.settings-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.settings-topbar strong {
    font-size: 15px;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--card-border);
    font-size: 13px;
}

.settings-item-label {
    font-weight: 600;
}

.settings-item-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-val {
    min-width: 38px;
    text-align: right;
    color: var(--text-muted);
}

.theme-choice {
    display: inline-flex;
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.theme-btn {
    background: #fff;
    color: var(--text);
    border: none;
    padding: 7px 16px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}

.theme-btn + .theme-btn {
    border-left: 1px solid var(--card-border);
}

.theme-btn.active {
    background: var(--accent);
    color: #fff;
}

.hidden {
    display: none !important;
}

/* ===== Mobile nav icons ===== */
.nav-icon {
    flex-shrink: 0;
}

/* ===== Responsive Breakpoints ===== */

/* Tablet >=576px */
@media (min-width: 576px) {
    .content {
        padding: 24px;
    }

    .card {
        padding: 24px;
    }

    .table th {
        padding: 12px 16px;
        font-size: 12px;
    }

    .table td {
        padding: 14px 16px;
        font-size: 14px;
    }

    .content-header h1 {
        font-size: 24px;
    }

    .login-box {
        padding: 40px;
    }
}

/* Desktop >=992px */
@media (min-width: 992px) {
    .content {
        max-width: 1200px;
        padding: 32px;
    }
}

/* Mobile <768px — switch to bottom navigation */
@media (max-width: 767px) {
    /* Hide desktop sidebar */
    .sidebar {
        display: none;
    }

    /* Content full width */
    .content {
        margin-left: 0;
        padding: 12px;
        padding-top: calc(12px + env(safe-area-inset-top, 0px));
        padding-bottom: calc(var(--bottom-nav-height) + 12px + env(safe-area-inset-bottom, 0px));
    }

    /* Bottom navigation */
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
        padding-bottom: env(safe-area-inset-bottom, 0px);
        background: var(--sidebar-bg);
        border-top: 1px solid rgba(255,255,255,0.1);
        z-index: 100;
        align-items: stretch;
        justify-content: space-around;
    }

    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        color: rgba(255,255,255,0.5);
        font-size: 10px;
        text-decoration: none;
        padding: 8px 4px;
        flex: 1;
        transition: all 0.15s;
    }

    .bottom-nav-item:hover,
    .bottom-nav-item.active {
        color: #fff;
        text-decoration: none;
    }

    .bottom-nav-item.active {
        color: var(--accent);
    }

    .bottom-nav-item svg {
        width: 22px;
        height: 22px;
    }

    .bottom-nav-label {
        font-size: 10px;
        font-weight: 500;
    }

    /* Compact content header */
    .content-header h1 {
        font-size: 20px;
    }

    /* Actions wrap on mobile */
    .actions {
        gap: 4px;
    }

    .btn-sm {
        padding: 4px 8px;
        font-size: 11px;
    }

    /* Forms: full width buttons */
    .form-actions {
        flex-direction: column-reverse;
        gap: 8px;
    }

    .form-actions .btn {
        width: 100%;
    }
}