/* CSS Variables & Reset */
:root {
    --primary: #3b82f6;
    /* Neon Blue */
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #f97316;
    /* SSDC Orange */
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    padding-bottom: 80px;
    /* Space for fixed footer */
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

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

.container {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

/* Glassmorphism Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Inputs */
.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-field {
    width: 100%;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
    appearance: none;
    /* Ensure standard appearance is off for selects */
    -webkit-appearance: none;
}

/* Target only selects for the arrow */
select.input-field {
    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='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s active 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-action {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: 8px;
    margin-right: 8px;
    width: auto;
}

/* App Header */
header {
    padding: 20px;
    text-align: center;
}

header h1 {
    font-size: 1.5rem;
    background: linear-gradient(to right, #60a5fa, #a855f7);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Custom Language Selector */
.lang-selector-container {
    margin-top: 10px;
    display: inline-block;
}

#language-selector {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 6px 32px 6px 16px;
    /* Extra padding right for arrow */
    font-size: 0.85rem;
    font-family: var(--font-body);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;

    /* Down Arrow */
    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='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

#language-selector:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
}

/* Booking Controls Header */
.booking-controls-header {
    margin-bottom: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
}

.date-controls {
    display: flex;
    gap: 8px;
}

.glass-select {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 32px 6px 12px;
    /* Extra padding right for arrow */
    font-size: 0.9rem;
    font-family: var(--font-body);
    outline: none;
    appearance: none;
    -webkit-appearance: none;

    /* Down Arrow */
    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='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
}

.glass-select:focus {
    border-color: var(--primary);
    background-color: rgba(255, 255, 255, 0.15);
}

/* Booking Grid Structure */
.booking-container {
    width: 100%;
    overflow-x: hidden;
    /* Hide main scroll */
}

.matrix-wrapper {
    display: grid;
    grid-template-columns: 80px 1fr;
    /* Time Column | Slots Scroll Area */
    gap: 0;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.time-column {
    background: rgba(15, 23, 42, 0.9);
    z-index: 10;
    position: sticky;
    left: 0;
    border-right: 1px solid var(--border-color);
}

.time-cell {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.time-cell.header-spacer {
    height: 50px;
    /* Match date header height */
    background: transparent;
    border-bottom: 1px solid var(--border-color);
}

.slots-grid-scroll {
    overflow-x: auto;
    display: flex;
    /* Horizontal flow */
}

/* The actual grid of checkboxes */
.day-column {
    min-width: 80px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
}

.date-header {
    height: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 5;
}

.date-header .day {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.date-header .date {
    font-size: 0.9rem;
    font-weight: 700;
}

.slot-cell {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

/* Peak Indicator - Removed */
.slot-cell.peak::after {
    display: none !important;
    content: none !important;
    width: 0;
    height: 0;
}

/* Custom Checkbox */
.slot-checkbox {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.slot-checkbox:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.slot-checkbox:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 800;
}

/* Sticky Footer */
.action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

/* Ticket/Summary View */
.ticket-wrapper {
    background: #000;
    /* Pure black for crisp download */
    padding: 24px;
    border-radius: 0;
    /* We want sharp corners or specific look for the image generation if preferred, 
       but standard ticket look usually involves rounded corners. 
       Let's stick to a clean card look. */
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    color: white;
}

.ticket-header {
    border-bottom: 2px dashed rgba(255, 255, 255, 0.3);
    padding-bottom: 16px;
    margin-bottom: 16px;
    text-align: center;
}

.ticket-user-info {
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.ticket-user-info p {
    margin: 4px 0;
    display: flex;
    justify-content: space-between;
}

.ticket-slots-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.ticket-slot-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.ticket-label {
    color: var(--text-muted);
}

.ticket-val {
    font-weight: 600;
    color: white;
}

.disclaimer {
    margin-top: 20px;
    font-size: 0.7rem;
    color: #666;
    text-align: center;
}

/* Session Colors (Neon/Pastel for Dark Mode) */
.text-s1 {
    color: #22d3ee;
}

/* Cyan */
.text-s2 {
    color: #4ade80;
}

/* Green */
.text-s3 {
    color: #facc15;
}

/* Yellow */
.text-s4 {
    color: #fb923c;
}

/* Orange */
.text-s5 {
    color: #f472b6;
}

/* Pink */
.text-s6 {
    color: #c084fc;
}

/* Purple */
.text-s7 {
    color: #60a5fa;
}

/* Blue */

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    width: 100%;
    max-width: 400px;
    animation: modalPop 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.modal-details p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.highlight-text {
    color: white;
    font-weight: 600;
}

@keyframes modalPop {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Month Specific Header Colors */
/* General text color class helper */
.text-month-0 {
    color: #ef4444;
}

.text-month-1 {
    color: #f97316;
}

.text-month-2 {
    color: #facc15;
}

.text-month-3 {
    color: #4ade80;
}

.text-month-4 {
    color: #14b8a6;
}

.text-month-5 {
    color: #06b6d4;
}

.text-month-6 {
    color: #3b82f6;
}

.text-month-7 {
    color: #6366f1;
}

.text-month-8 {
    color: #a855f7;
}

.text-month-9 {
    color: #d946ef;
}

.text-month-10 {
    color: #f43f5e;
}

.text-month-11 {
    color: #94a3b8;
}

/* Header Borders + Text Color inheritance for children */
/* Jan */
.month-0 {
    border-top: 3px solid #ef4444;
}

.month-0 .date,
.month-0 .day {
    color: #ef4444 !important;
}

/* Feb */
.month-1 {
    border-top: 3px solid #f97316;
}

.month-1 .date,
.month-1 .day {
    color: #f97316 !important;
}

/* Mar */
.month-2 {
    border-top: 3px solid #facc15;
}

.month-2 .date,
.month-2 .day {
    color: #facc15 !important;
}

/* Apr */
.month-3 {
    border-top: 3px solid #4ade80;
}

.month-3 .date,
.month-3 .day {
    color: #4ade80 !important;
}

/* May */
.month-4 {
    border-top: 3px solid #14b8a6;
}

.month-4 .date,
.month-4 .day {
    color: #14b8a6 !important;
}

/* Jun */
.month-5 {
    border-top: 3px solid #06b6d4;
}

.month-5 .date,
.month-5 .day {
    color: #06b6d4 !important;
}

/* Jul */
.month-6 {
    border-top: 3px solid #3b82f6;
}

.month-6 .date,
.month-6 .day {
    color: #3b82f6 !important;
}

/* Aug */
.month-7 {
    border-top: 3px solid #6366f1;
}

.month-7 .date,
.month-7 .day {
    color: #6366f1 !important;
}

/* Sep */
.month-8 {
    border-top: 3px solid #a855f7;
}

.month-8 .date,
.month-8 .day {
    color: #a855f7 !important;
}

/* Oct */
.month-9 {
    border-top: 3px solid #d946ef;
}

.month-9 .date,
.month-9 .day {
    color: #d946ef !important;
}

/* Nov */
.month-10 {
    border-top: 3px solid #f43f5e;
}

.month-10 .date,
.month-10 .day {
    color: #f43f5e !important;
}

/* Dec */
.month-11 {
    border-top: 3px solid #94a3b8;
}

.month-11 .date,
.month-11 .day {
    color: #94a3b8 !important;
}

/* Improve Button Visibility */
.btn-action {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 500;
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.25);
}
/* Password Toggle */
.password-wrapper {
    position: relative;
    width: 100%;
}
.password-wrapper input {
    padding-right: 40px; /* Make room for icon */
}
.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #94a3b8;
    user-select: none;
    display: flex; 
    align-items: center;
    justify-content: center;
}
.password-toggle:hover {
    color: #e2e8f0;
}

/* Transposed Matrix v40 */
.matrix-transposed {
    width: 100%;
    margin-top: 10px;
    overflow-x: auto; /* Allow header sync scroll if needed, but aim for fit */
}
.matrix-header-row {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 20;
    background: #0f172a; 
    border-bottom: 2px solid #334155;
    margin-left: 90px; /* Offset for Date Column */
}
.header-time-cell {
    flex: 1; /* Distribute evenly */
    text-align: center;
    font-size: 0.7rem;
    color: #94a3b8;
    padding: 8px 2px;
    border-right: 1px solid rgba(255,255,255,0.05);
    white-space: pre-wrap; /* Allow wrapping 8:00 am */
    line-height: 1.1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.matrix-body-rows {
    display: flex;
    flex-direction: column;
}

.date-row {
    display: flex;
    align-items: stretch; /* Full height cells */
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.row-date-label {
    width: 90px;
    min-width: 90px;
    padding: 10px 8px;
    font-size: 0.75rem;
    color: #e2e8f0;
    font-weight: 500;
    border-right: 1px solid rgba(255,255,255,0.1);
    background: #0f172a; /* Solid bg for sticky */
    position: sticky;
    left: 0;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.row-date-label .d-day { display: block; font-size: 0.85em; opacity: 0.6; margin-top: 2px; }

.slot-cell-t {
    flex: 1;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.01);
}
.slot-cell-t:nth-child(2n) {
    background: rgba(255,255,255,0.02);
}

/* v41 Updates */
.header-time-cell {
    font-size: 0.85rem; /* Larger */
    font-weight: 700;
}
.row-date-label {
    font-size: 0.85rem; /* Larger */
}
.row-date-label > div:first-child {
    font-size: 0.95rem; /* Main date larger */
    font-weight: bold;
}
.row-date-label .d-day {
    font-size: 0.85em; /* relative */
    opacity: 0.8;
}

/* Force session colors to override default header color */
.header-time-cell.text-s1 { color: #22d3ee !important; }
.header-time-cell.text-s2 { color: #4ade80 !important; }
.header-time-cell.text-s3 { color: #facc15 !important; }
.header-time-cell.text-s4 { color: #fb923c !important; }
.header-time-cell.text-s5 { color: #f472b6 !important; }
.header-time-cell.text-s6 { color: #c084fc !important; }
.header-time-cell.text-s7 { color: #60a5fa !important; }

/* v42 Header Layout */
.app-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 60px;
}
.header-left, .header-right {
    width: 90px; /* Fixed width for balance */
    display: flex;
    align-items: center;
}
.header-right { justify-content: flex-end; }
.header-center {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.page-title {
    font-size: 1.1rem;
    margin: 0;
    color: white; /* Title color */
    font-weight: 700;
}
#global-back-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #cbd5e1;
    font-size: 0.8rem;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    width: auto; 
    transition: 0.2s;
}
#global-back-btn:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}
/* Hide Lang Icon potentially to save space? Keep it for now */
.lang-selector-wrapper { display: flex; align-items: center; gap: 4px; }

/* v43 Sticky Header Adjustment */
.matrix-header-row {
    top: 60px; /* Stick below the 60px App Header */
}

/* v44 Fixes Aligment & Sticky */
.matrix-transposed {
    overflow-x: visible !important; /* Allow page-level horizontal scroll */
}
.matrix-header-row {
    margin-left: 0 !important; /* Remove old offset */
    top: 60px;
    z-index: 50;
    width: max-content; /* Force wide width to match children */
    min-width: 100%;
    background: #0f172a;
}
.header-corner-cell {
    width: 90px;
    min-width: 90px;
    flex-shrink: 0;
    border-right: 1px solid rgba(255,255,255,0.1);
    background: #0f172a;
    position: sticky;
    left: 0;
    top: 60px; /* Sync with header row */
    z-index: 60; /* Topmost in grid */
    display: flex;
    align-items: center;
    justify-content: center;
    /* Corner needs to stick vertically too? 
       Actually if it is child of sticky row, it sticks. 
       But 'left: 0' makes it sticky horiz. */
}

/* Ensure Alignment: Flex distribution */
.date-row {
    width: max-content;
    min-width: 100%;
}
.row-date-label {
    z-index: 40; /* Below Header corner */
    background: #0f172a !important; 
    border-bottom: 1px solid rgba(255,255,255,0.05); /* Match cells */
}

/* v45 Sticky Fixes */
.booking-container {
    overflow: visible !important;
}
.container {
    overflow: visible !important; 
}
/* Adjust Z-Index to stay under App Header (100) but above everything else */
.matrix-header-row {
    z-index: 80;
}
.header-corner-cell {
    z-index: 90; /* Above date labels and time cells */
}

/* v48 Balance Banner */
.balance-banner {
    background: rgba(234, 179, 8, 0.15);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: #fcd34d;
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    display: flex;
    align-items: center; /* Center Vertically */
    line-height: 1.4;
}