/* ============================================
   Torah Tracker — base
   Phase 11.5C: Split from app.css
   ============================================ */

/* ============================================
   Torah Tracker — Styles
   ============================================ */

:root {
    --bg-primary: #0A0A0C;
    --bg-secondary: #121214;
    --bg-card: #1A1A1E;
    --bg-elevated: #222226;
    --text-primary: #FFFFFF;
    --text-secondary: #8E8E93;
    --text-tertiary: #636366;
    --accent-blue: #4A90D9;
    --accent-gold: #C9A961;
    --accent-green: #34C759;
    --accent-red: #FF453A;
    --border-subtle: rgba(255,255,255,0.08);
    --border-light: rgba(255,255,255,0.12);
    --nav-height: 83px;
}

/* ---- Reset ---- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    padding-top: env(safe-area-inset-top, 0px);
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
}

/* ---- Capacitor Native App Overrides ---- */
body.capacitor-native {
    padding-top: max(env(safe-area-inset-top, 0px), 28px);
}
body.capacitor-native .sw-update-banner {
    padding-top: calc(max(env(safe-area-inset-top, 0px), 28px) + 10px);
}
body.capacitor-native .modal-overlay .modal-sheet {
    padding-top: max(env(safe-area-inset-top, 0px), 28px);
}

/* ---- Utility ---- */
.hidden { display: none !important; }

/* ---- App Container ---- */
#app {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 20px 100px 20px;
    min-height: 100dvh;
}

/* ---- Bottom Navigation ---- */
.nav-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
    background: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    padding-top: 10px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 16px;
    transition: color 0.2s;
    -webkit-tap-highlight-color: transparent;
}

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

.nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}


/* FAB (Floating Action Button) */
.fab {
    position: fixed;
    bottom: calc(var(--nav-height) + 16px);
    right: calc(50% - 230px);
    width: 56px;
    height: 56px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(74, 144, 217, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    transition: transform 0.2s, opacity 0.2s;
}

.fab:active {
    transform: scale(0.92);
}

@media (max-width: 540px) {
    .fab {
        right: 20px;
    }
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    line-height: 1.6;
}

/* ---- Loading Spinner ---- */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- Toast Notification ---- */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    z-index: 200;
    transition: transform 0.3s ease;
    max-width: 90%;
    text-align: center;
}

.toast.visible {
    transform: translateX(-50%) translateY(0);
    cursor: pointer;
}

.toast.success {
    border-color: rgba(52, 199, 89, 0.4);
    background: rgba(52, 199, 89, 0.15);
}

.toast.error {
    border-color: rgba(255, 69, 58, 0.4);
    background: rgba(255, 69, 58, 0.15);
}

/* ---- SW Update Banner (Phase 11.5B) ---- */
.sw-update-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 250;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px 16px;
    background: rgba(50, 130, 250, 0.15);
    border-bottom: 1px solid rgba(50, 130, 250, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}
.sw-update-banner.hidden { display: none; }
.sw-update-btn {
    background: var(--accent-primary, #3282FA);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
.sw-update-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

/* ---- Phase 13: Sync status indicators ---- */
.sync-dot {
    position: fixed;
    top: 10px;
    right: 10px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    z-index: 200;
    transition: background 0.3s;
    pointer-events: none;
}
.sync-dot.offline {
    background: var(--accent-red, #FF453A);
    box-shadow: 0 0 4px rgba(255, 69, 58, 0.5);
}
.sync-dot.pending {
    background: var(--accent-orange, #FF9F0A);
    animation: sync-pulse 1.5s infinite;
}
@keyframes sync-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.sync-badge {
    position: fixed;
    top: 4px;
    right: 24px;
    min-width: 18px;
    height: 18px;
    background: var(--accent-orange, #FF9F0A);
    color: #000;
    border-radius: 9px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    z-index: 200;
    pointer-events: none;
}

/* ---- Placeholder views ---- */
.placeholder-view {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    color: var(--text-tertiary);
}

.placeholder-view h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 16px;
    margin-bottom: 8px;
}

.placeholder-view p {
    font-size: 14px;
}


/* ============================================
   Light Theme
   ============================================ */

[data-theme="light"] {
    --bg-primary: #F5F5F7;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-elevated: #F0F0F2;
    --bg-input: #F0F0F2;
    --text-primary: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-tertiary: #AEAEB2;
    --border-subtle: rgba(0,0,0,0.08);
    --border-light: rgba(0,0,0,0.12);
    --accent-blue: #3478F6;
    --accent-green: #30D158;
    --accent-orange: #FF9F0A;
    --accent-red: #FF453A;
    --accent-gold: #B8960C;
}

[data-theme="light"] .progress-ring-bg {
    stroke: #E5E5EA;
}

[data-theme="light"] .progress-card {
    background: #FFFFFF;
    border: 1px solid rgba(0,0,0,0.08);
}

[data-theme="light"] .session-item {
    background: #FFFFFF;
    border: 1px solid rgba(0,0,0,0.06);
}

[data-theme="light"] .bar-track {
    background: #E5E5EA;
}

[data-theme="light"] .nav-bar {
    background: rgba(255,255,255,0.95);
    border-top: 1px solid rgba(0,0,0,0.08);
}

/* ---- Light: Modal & Timer ---- */
[data-theme="light"] .modal-overlay {
    background: rgba(0,0,0,0.3);
}

[data-theme="light"] .modal-sheet {
    background: #FFFFFF;
    box-shadow: 0 -4px 30px rgba(0,0,0,0.12);
}

[data-theme="light"] .modal-header {
    background: #FFFFFF;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

[data-theme="light"] .modal-close {
    background: #F0F0F2;
    color: #6E6E73;
}

[data-theme="light"] .modal-handle {
    background: #D1D1D6;
}

[data-theme="light"] .timer-fullscreen {
    background: #FFFFFF;
}

[data-theme="light"] .timer-screen-close {
    background: #F0F0F2;
    color: #6E6E73;
}

[data-theme="light"] .timer-ctrl-pause {
    background: rgba(142,142,147,0.1);
    border-color: rgba(142,142,147,0.2);
}

[data-theme="light"] .timer-ctrl-pause::before,
[data-theme="light"] .timer-ctrl-pause::after {
    background: #6E6E73;
}

[data-theme="light"] .timer-ctrl-pause.is-playing::before {
    background: none;
    border-left-color: #6E6E73;
}

[data-theme="light"] .timer-ctrl-done {
    background: rgba(48,209,88,0.12);
    border-color: rgba(48,209,88,0.25);
}

[data-theme="light"] .timer-ctrl-done::before {
    border-color: var(--accent-green);
}

/* ---- Light: Picker fields ---- */
[data-theme="light"] .picker-select,
[data-theme="light"] .picker-input,
[data-theme="light"] .picker-textarea {
    background: #F0F0F2;
    color: #1D1D1F;
    border-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .picker-select option {
    background: #FFFFFF;
    color: #1D1D1F;
}

[data-theme="light"] .chazara-toggle {
    background: #F0F0F2;
    border-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .toggle-slider {
    background: #D1D1D6;
}

[data-theme="light"] .hespek-summary {
    background: #F0F0F2;
    border-color: rgba(0,0,0,0.06);
}

/* ---- Light: Form inputs in modals ---- */
[data-theme="light"] .form-input,
[data-theme="light"] .form-select,
[data-theme="light"] .form-textarea {
    background: #F0F0F2;
    color: #1D1D1F;
    border: 1px solid rgba(0,0,0,0.08);
}

[data-theme="light"] .fab {
    background: var(--accent-blue);
    box-shadow: 0 4px 14px rgba(52,120,246,0.4);
}

[data-theme="light"] .streak-banner {
    background: rgba(255,159,10,0.1);
    border: 1px solid rgba(255,159,10,0.2);
}

[data-theme="light"] .week-chart-card {
    background: #FFFFFF;
    border: 1px solid rgba(0,0,0,0.08);
}

[data-theme="light"] .week-nav-btn {
    background: #FFFFFF;
    border: 1px solid rgba(0,0,0,0.08);
}

/* ---- Light: Schedule items ---- */
[data-theme="light"] .schedule-item {
    background: #FFFFFF;
    border-color: rgba(0,0,0,0.06);
}

[data-theme="light"] .history-date-picker {
    background: #FFFFFF;
    border-color: rgba(0,0,0,0.06);
}

[data-theme="light"] .history-nav-btn {
    background: #F0F0F2;
    border-color: rgba(0,0,0,0.06);
}


/* ============================================
   Desktop Optimization (768px+) — Sidebar Layout
   ============================================ */

/* ---- Sidebar (desktop only) ---- */
.sidebar {
    display: none;
}

@media (min-width: 768px) {
    .sidebar {
        display: flex !important;
        flex-direction: column;
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 220px;
        background: var(--bg-card);
        border-right: 1px solid var(--border-subtle);
        z-index: 100;
        padding: 24px 0;
    }

    .sidebar.hidden {
        display: none !important;
    }

    .sidebar-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0 20px 24px;
        border-bottom: 1px solid var(--border-subtle);
        margin-bottom: 16px;
    }

    .sidebar-logo-icon { font-size: 24px; }
    .sidebar-logo-text { font-size: 17px; font-weight: 700; }

    .sidebar-nav {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 2px;
        padding: 0 10px;
    }

    .sidebar-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 14px;
        border-radius: 10px;
        color: var(--text-secondary);
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.15s;
    }

    .sidebar-item:hover {
        background: var(--bg-elevated);
        color: var(--text-primary);
    }

    .sidebar-item.active {
        background: rgba(74, 144, 217, 0.12);
        color: var(--accent-blue);
    }

    .sidebar-item svg { flex-shrink: 0; }

    .sidebar-footer {
        padding: 16px 20px;
        border-top: 1px solid var(--border-subtle);
        margin-top: auto;
    }

    .sidebar-user-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-blue), #7B68EE);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 700;
        color: white;
        margin-bottom: 6px;
    }

    .sidebar-user-name {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-secondary);
    }

    [data-theme="light"] .sidebar {
        background: #FFFFFF;
        border-color: rgba(0,0,0,0.08);
    }

    [data-theme="light"] .sidebar-item:hover {
        background: #F5F5F7;
    }

    [data-theme="light"] .sidebar-item.active {
        background: rgba(52,120,246,0.1);
        color: #3478F6;
    }

    /* Push content right of sidebar */
    #app {
        max-width: 680px;
        margin-left: 220px;
        padding: 0 32px 100px 32px;
    }

    /* Hide bottom nav on desktop */
    .nav-bar {
        display: none !important;
    }

    /* FAB repositioned */
    .fab {
        left: calc(220px + 32px);
        right: auto;
        bottom: 32px;
    }

    /* Modal sheet centered */
    .modal-sheet {
        max-width: 520px;
        margin: 0 auto;
    }

    /* Timer fullscreen offset */
    .timer-fullscreen {
        left: 220px;
    }

    /* Celebration overlay offset */
    .celebration-overlay {
        left: calc(220px + 50%);
        transform: translateX(-50%);
    }

    /* Hover states */
    .session-tappable:hover {
        background: var(--bg-elevated) !important;
        cursor: pointer;
    }

    [data-theme="light"] .session-tappable:hover {
        background: #F5F5F7 !important;
    }

    .schedule-item:hover {
        background: var(--bg-elevated) !important;
        border-radius: 14px;
    }

    .btn-primary:hover { opacity: 0.9; }

    .fab:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 24px rgba(74, 144, 217, 0.5);
    }

    .settings-row:hover {
        background: var(--bg-elevated);
        border-radius: 10px;
    }

    .timer-ctrl-btn:hover {
        transform: scale(1.06);
    }

    /* Auth screen centered when no sidebar */
    .auth-screen {
        max-width: 400px;
        margin: 0 auto;
    }
}


/* ---- Phase 10: Light Theme ---- */
[data-theme="light"] .insights-tab { color: var(--text-secondary); }
[data-theme="light"] .insights-tab.active { background: var(--accent-blue); color: #fff; }
[data-theme="light"] .insights-tabs { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .review-card { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .review-card.review-due { border-left-color: #FF9F0A; }
[data-theme="light"] .review-card-icon { background: #F0F0F2; }
[data-theme="light"] .stats-card { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .mastery-ring-card { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .mastery-subject-card { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .mastered-list { background: #fff; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .mastered-item { border-bottom-color: rgba(0,0,0,0.06); }
[data-theme="light"] .review-nudge { background: #fff; border-color: rgba(0,0,0,0.08); border-left-color: var(--accent-blue); }
[data-theme="light"] .heatmap-cell.heat-0 { background: #E5E5EA; }
[data-theme="light"] .review-btn { background: #F0F0F2; border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .review-btn-start { background: rgba(52,120,246,0.1); border-color: rgba(52,120,246,0.2); }
[data-theme="light"] .review-btn-done { background: rgba(48,209,88,0.1); border-color: rgba(48,209,88,0.2); }
[data-theme="light"] .mastery-ring-bg { stroke: #E5E5EA; }


/* ============================================
   Phase 8: Celebrations & Engagement
   ============================================ */

/* Goal completion celebration overlay */
.celebration-overlay {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    height: 100vh;
    pointer-events: none;
    z-index: 200;
    overflow: hidden;
}

/* Confetti particles */
.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    opacity: 0;
    animation: confetti-fall 3s ease-in forwards;
}

@keyframes confetti-fall {
    0% {
        opacity: 1;
        transform: translateY(-20px) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

/* Goal complete banner */
.goal-complete-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--accent-green);
    color: white;
    padding: 14px 28px;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 700;
    z-index: 201;
    opacity: 0;
    animation: toast-pop 3.5s ease forwards;
    box-shadow: 0 8px 30px rgba(52,199,89,0.4);
    text-align: center;
    max-width: 380px;
}

@keyframes toast-pop {
    0% { opacity: 0; transform: translateX(-50%) translateY(-20px) scale(0.8); }
    15% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.05); }
    25% { transform: translateX(-50%) translateY(0) scale(1); }
    80% { opacity: 1; }
    100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* Milestone streak badge (special styling for 7/30/100 day streaks) */
.streak-milestone {
    background: linear-gradient(135deg, rgba(255,159,10,0.15), rgba(201,169,97,0.15)) !important;
    border: 1px solid rgba(255,159,10,0.3) !important;
}

.streak-milestone .streak-fire {
    animation: fire-pulse 1.5s ease-in-out infinite;
}

@keyframes fire-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.streak-milestone-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF9F0A, #C9A961);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 10px;
    margin-left: 8px;
}


/* Light theme overrides for chazara schedule */
[data-theme="light"] .chazara-stage-input-wrap {
    background: #F2F2F7;
    border-color: #D1D1D6;
}

[data-theme="light"] .chazara-flow-step {
    background: #F2F2F7;
    border-color: #D1D1D6;
}

[data-theme="light"] .chazara-add-btn,
[data-theme="light"] .chazara-remove-btn,
[data-theme="light"] .chazara-preset-btn {
    background: #F2F2F7;
    border-color: #D1D1D6;
}

[data-theme="light"] .chazara-stage-input {
    color: #1C1C1E;
}


/* ---- Phase 11: Light Theme ---- */

[data-theme="light"] .plan-type-toggle {
    background: #F2F2F7;
}

[data-theme="light"] .plan-day-btn {
    border-color: #D1D1D6;
    color: #6B6B6B;
}

[data-theme="light"] .plan-day-btn.active {
    background: #007AFF;
    border-color: #007AFF;
    color: #fff;
}

[data-theme="light"] .chazara-print-btn {
    border-color: #D1D1D6;
}

[data-theme="light"] .chazara-print-btn:active {
    background: #F2F2F7;
    color: #1C1C1E;
}


/* ============================================
   v42: View Transitions
   ============================================ */

#app {
    will-change: opacity, transform;
}

#app.view-exit {
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.12s ease, transform 0.12s ease;
    pointer-events: none;
}

#app.view-enter {
    animation: viewEnter 0.2s ease forwards;
}

@keyframes viewEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ============================================
   Print Sheet Overlay
   ============================================ */

#print-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 10000;
    background: #fff;
    display: flex;
    flex-direction: column;
}

.print-overlay-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    padding-top: calc(env(safe-area-inset-top, 0px) + 12px);
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
    flex-shrink: 0;
}

.print-overlay-btn {
    padding: 8px 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background: #fff;
    font-size: 15px;
    cursor: pointer;
    color: #333;
}

.print-overlay-btn-primary {
    background: #4A90D9;
    color: #fff;
    border-color: #4A90D9;
}

.print-overlay-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media print {
    .print-overlay-toolbar {
        display: none !important;
    }
    #print-overlay {
        position: static;
        background: transparent;
    }
    #print-frame {
        position: static;
        width: 100%;
        height: auto;
    }
    .nav-bar, .fab, #sidebar {
        display: none !important;
    }
}