/* ==========================================
   CSS Reset & Variables (School Theme: Blue & Pink)
   ========================================== */

:root {
    /* Dark Theme Variables (Default) */
    --bg-primary: #0b0f19;
    --bg-secondary: #131a2c;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --primary-blue: #00d2ff;
    --primary-blue-rgb: 0, 210, 255;
    --primary-pink: #ff007f;
    --primary-pink-rgb: 255, 0, 127;
    
    --card-bg: rgba(19, 26, 44, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --input-bg: rgba(11, 15, 25, 0.6);
    --input-border: rgba(255, 255, 255, 0.1);
    
    --font-heading: 'Prompt', 'Sarabun', sans-serif;
    --font-body: 'Sarabun', 'Prompt', sans-serif;
    
    --transition-speed: 0.3s;
}

/* Light Theme Variables overrides */
.light-theme {
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary-blue: #0284c7;
    --primary-blue-rgb: 2, 132, 199;
    --primary-pink: #db2777;
    --primary-pink-rgb: 219, 39, 119;
    
    --card-bg: rgba(255, 255, 255, 0.65);
    --card-border: rgba(2, 132, 199, 0.15);
    --card-shadow: 0 8px 32px 0 rgba(2, 132, 199, 0.08);
    
    --input-bg: rgba(241, 245, 249, 0.8);
    --input-border: rgba(2, 132, 199, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-pink);
}

/* ==========================================
   Background Animated Glows (Rich Aesthetics)
   ========================================== */

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.18;
    z-index: -1;
    pointer-events: none;
    transition: opacity var(--transition-speed);
}

.light-theme .bg-glow {
    opacity: 0.12;
    filter: blur(120px);
}

.bg-glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--primary-blue-rgb), 0.8) 0%, transparent 70%);
    top: -150px;
    left: -100px;
    animation: floatingGlow 15s infinite ease-in-out alternate;
}

.bg-glow-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--primary-pink-rgb), 0.7) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation: floatingGlow 18s infinite ease-in-out alternate-reverse;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(123, 44, 191, 0.6) 0%, transparent 70%);
    top: 40%;
    left: 45%;
    animation: floatingGlow 22s infinite ease-in-out;
}

@keyframes floatingGlow {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 80px) scale(1.1); }
    100% { transform: translate(-30px, -50px) scale(0.9); }
}

/* ==========================================
   Container & Header Structure
   ========================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 2;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.light-theme header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.emblem-wrapper {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(var(--primary-blue-rgb), 0.3);
    position: relative;
}

.emblem-wrapper::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
    border-radius: 14px;
    z-index: -1;
    opacity: 0.7;
    filter: blur(5px);
}

.emblem-img {
    width: 80%;
    height: 80%;
    max-width: 40px;
    max-height: 40px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.school-name-th {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.school-name-en {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 1px;
}

/* Theme Toggle Button */
.theme-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
}

.theme-btn:hover {
    transform: scale(1.08);
    border-color: var(--primary-pink);
    box-shadow: 0 0 15px rgba(var(--primary-pink-rgb), 0.25);
}

.theme-btn i {
    font-size: 1.1rem;
    transition: transform 0.5s ease;
}

.dark-theme .icon-sun { display: none; }
.dark-theme .icon-moon { display: block; }

.light-theme .icon-sun { display: block; }
.light-theme .icon-moon { display: none; }

.light-theme .theme-btn i {
    color: var(--primary-pink);
}

/* ==========================================
   Main Section Layout
   ========================================== */

main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    padding: 20px 0;
}

@media (min-width: 992px) {
    main {
        grid-template-columns: 1fr 1.1fr;
        gap: 60px;
        padding: 40px 0;
    }
}

/* ==========================================
   Visual Section (SVG & Animations)
   ========================================== */

.visual-section {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
}

.svg-container {
    max-width: 420px;
    width: 100%;
    position: relative;
}

.maintenance-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.4));
}

.light-theme .maintenance-svg {
    filter: drop-shadow(0 15px 30px rgba(var(--primary-blue-rgb), 0.15));
}

/* SVG Animations */
.rotating-ring-slow {
    transform-origin: 250px 250px;
    animation: rotateCW 40s linear infinite;
}

.pulsing-ring {
    transform-origin: 250px 250px;
    animation: pulseRing 3s ease-in-out infinite;
}

.shield-polygon {
    animation: floatShield 4s ease-in-out infinite alternate;
    transform-origin: 250px 250px;
}

.gear-left {
    transform-origin: 50px 50px;
    animation: rotateCCW 15s linear infinite;
}

.gear-right {
    transform-origin: 50px 50px;
    animation: rotateCW 12s linear infinite;
}

.node-line {
    animation: pulseStroke 2s infinite alternate;
}

@keyframes rotateCW {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateCCW {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes pulseRing {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.04); opacity: 0.7; }
}

@keyframes floatShield {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

@keyframes pulseStroke {
    0% { stroke-opacity: 0.4; }
    100% { stroke-opacity: 1; }
}

/* ==========================================
   Content Card & Typography
   ========================================== */

.content-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: all 0.3s;
    text-align: center;
}

@media (min-width: 768px) {
    .content-card {
        padding: 40px;
        text-align: left;
    }
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(var(--primary-pink-rgb), 0.1);
    border: 1px solid rgba(var(--primary-pink-rgb), 0.2);
    border-radius: 50px;
    padding: 6px 16px;
    margin-bottom: 20px;
}

.light-theme .status-badge {
    background: rgba(var(--primary-pink-rgb), 0.08);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-pink);
    border-radius: 50%;
    animation: blinkDot 1.5s infinite;
}

@keyframes blinkDot {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); box-shadow: 0 0 8px var(--primary-pink); }
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-pink);
    letter-spacing: 1.5px;
}

.main-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.light-theme .main-title {
    background: linear-gradient(135deg, var(--text-primary) 50%, var(--primary-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sub-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.description-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 30px;
}

.description-text strong {
    color: var(--text-primary);
}

/* ==========================================
   Countdown Timer Styling
   ========================================== */

.countdown-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 30px;
}

.light-theme .countdown-container {
    background: rgba(2, 132, 199, 0.03);
    border: 1px solid rgba(2, 132, 199, 0.07);
}

.countdown-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .countdown-timer {
        justify-content: flex-start;
        gap: 15px;
    }
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.timer-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(180deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.timer-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.timer-divider {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-pink);
    opacity: 0.7;
    margin-top: -20px;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
}

.light-theme .progress-bar-container {
    background-color: rgba(0, 0, 0, 0.08);
}

.progress-bar-fill {
    width: 65%; /* Default fallback */
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-pink));
    border-radius: 10px;
    transition: width 1s ease-in-out;
}

/* ==========================================
   Buttons Setup
   ========================================== */

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

@media (min-width: 576px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
    .light-theme .cta-buttons {
        justify-content: center;
    }
}

@media (min-width: 768px) {
    .cta-buttons {
        justify-content: flex-start;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 8px;
}

.btn-icon {
    font-size: 1.05rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), #0066ff);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
    opacity: 0.95;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.light-theme .btn-secondary {
    background: #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-pink);
    color: var(--primary-pink);
    transform: translateY(-2px);
}

.light-theme .btn-secondary:hover {
    background: rgba(var(--primary-pink-rgb), 0.05);
}

.btn-full {
    width: 100%;
}

.bg-pink-btn {
    background: linear-gradient(135deg, var(--primary-pink), #e6006f) !important;
    box-shadow: 0 4px 15px rgba(var(--primary-pink-rgb), 0.25) !important;
}

.bg-pink-btn:hover {
    box-shadow: 0 6px 20px rgba(var(--primary-pink-rgb), 0.4) !important;
}

/* ==========================================
   School Information & Contact Section
   ========================================== */

.info-section {
    margin-top: 50px;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.light-theme .info-section {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 25px;
    text-align: center;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 15%;
    width: 70%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-pink));
    border-radius: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 576px) {
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 992px) {
    .info-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s;
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(var(--primary-blue-rgb), 0.12);
}

.info-card:nth-child(even):hover {
    border-color: var(--primary-pink);
    box-shadow: 0 8px 24px rgba(var(--primary-pink-rgb), 0.12);
}

.info-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.blue-icon {
    background: rgba(var(--primary-blue-rgb), 0.15);
    color: var(--primary-blue);
}

.pink-icon {
    background: rgba(var(--primary-pink-rgb), 0.15);
    color: var(--primary-pink);
}

.info-details h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.info-details p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: break-word;
}

/* ==========================================
   Footer
   ========================================== */

footer {
    text-align: center;
    padding: 20px 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.light-theme footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* ==========================================
   Modal Dialog Layouts
   ========================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeInModal var(--transition-speed);
}

.modal.show {
    display: flex;
}

@keyframes fadeInModal {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    width: 100%;
    max-width: 480px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: scaleUpModal var(--transition-speed) cubic-bezier(0.34, 1.56, 0.64, 1);
    transition: background-color var(--transition-speed);
}

.light-theme .modal-content {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

@keyframes scaleUpModal {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.glass-card {
    background: rgba(19, 26, 44, 0.85) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.light-theme .glass-card {
    background: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid rgba(2, 132, 199, 0.2) !important;
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 24px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--primary-pink);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.modal-title-icon {
    font-size: 1.4rem;
}

.text-blue { color: var(--primary-blue); }
.text-pink { color: var(--primary-pink); }

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.input-wrapper input, 
.form-group textarea {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s;
}

.input-wrapper input {
    padding: 12px 12px 12px 42px;
}

.form-group textarea {
    padding: 12px;
    resize: none;
}

.input-wrapper input:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(var(--primary-blue-rgb), 0.15);
    background-color: var(--bg-primary);
}

/* ==========================================
   Toast Notification Layout
   ========================================== */

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 280px;
    background: rgba(19, 26, 44, 0.9);
    border-left: 4px solid var(--primary-blue);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(20px);
    opacity: 0;
    animation: slideInToast 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.light-theme .toast {
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    border-right: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.toast.toast-success {
    border-left-color: #10b981;
}

.toast.toast-error {
    border-left-color: #ef4444;
}

.toast-icon {
    font-size: 1.2rem;
}

.toast-success .toast-icon { color: #10b981; }
.toast-error .toast-icon { color: #ef4444; }

.toast-msg {
    font-size: 0.85rem;
    font-weight: 500;
}

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