/* ============================================
   BADMINTON THAI — MAINTENANCE PAGE STYLES
   AI-Inspired Dark Theme
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1429;
    --bg-card: rgba(15, 20, 45, 0.6);
    --bg-card-hover: rgba(20, 28, 60, 0.8);

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-blue: #60a5fa;
    --accent-purple: #a78bfa;
    --accent-cyan: #67e8f9;
    --accent-indigo: #818cf8;

    --glow-blue: rgba(96, 165, 250, 0.15);
    --glow-purple: rgba(167, 139, 250, 0.15);
    --glow-cyan: rgba(103, 232, 249, 0.1);

    --gradient-main: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #818cf8 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(96,165,250,0.1) 0%, rgba(167,139,250,0.1) 100%);
    --gradient-card-border: linear-gradient(135deg, rgba(96,165,250,0.3), rgba(167,139,250,0.1), rgba(96,165,250,0.3));

    /* Borders */
    --border-subtle: rgba(148, 163, 184, 0.08);
    --border-glow: rgba(96, 165, 250, 0.2);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Typography */
    --font-main: 'Inter', 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.25rem;

    /* Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Particle Canvas Background --- */
#particleCanvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* --- Floating Orbs --- */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(96,165,250,0.25) 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation-duration: 25s;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(167,139,250,0.2) 0%, transparent 70%);
    bottom: -10%;
    right: -5%;
    animation-duration: 30s;
    animation-delay: -10s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(103,232,249,0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 22s;
    animation-delay: -5s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* --- Grid Overlay --- */
.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(96,165,250,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(96,165,250,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
}

/* --- Main Container --- */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xl);
    text-align: center;
    min-height: 100vh;
    justify-content: center;
}

/* --- Language Toggle --- */
.lang-toggle {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 3px;
    z-index: 100;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.lang-btn:hover {
    color: var(--text-secondary);
}

.lang-btn.active {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 2px 12px rgba(96, 165, 250, 0.3);
}

/* --- Brand / Logo --- */
.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease-out;
}

.logo-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
}

.logo-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(96,165,250,0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 4s ease-in-out infinite;
}

.logo-icon {
    width: 80px;
    height: 80px;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 20px rgba(96,165,250,0.3));
}

.brand-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--text-primary);
    text-shadow: 0 0 30px rgba(96,165,250,0.15);
}

.brand-accent {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 2px;
}

/* --- Status Badge --- */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(96, 165, 250, 0.08);
    border: 1px solid rgba(96, 165, 250, 0.15);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    animation: fadeInUp 0.8s ease-out 0.15s both;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-blue);
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(96, 165, 250, 0.5);
}

.status-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--accent-blue);
    letter-spacing: 0.02em;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* --- Message Block --- */
.message-block {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.message-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.message-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Progress Ring --- */
.progress-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease-out 0.45s both;
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
}

.progress-ring svg {
    width: 120px;
    height: 120px;
    transform: rotate(-90deg);
}

.progress-bg {
    fill: none;
    stroke: rgba(96, 165, 250, 0.08);
    stroke-width: 3;
}

.progress-bar {
    fill: none;
    stroke: url(#grad1);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 327;
    stroke-dashoffset: 327;
    animation: progressSpin 3s ease-in-out infinite;
    filter: drop-shadow(0 0 6px rgba(96,165,250,0.4));
}

@keyframes progressSpin {
    0% { stroke-dashoffset: 327; }
    50% { stroke-dashoffset: 80; }
    100% { stroke-dashoffset: 327; }
}

.progress-inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gear-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-blue);
    animation: gearSpin 8s linear infinite;
    opacity: 0.7;
}

.gear-icon svg {
    width: 100%;
    height: 100%;
}

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

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* --- Info Cards --- */
.info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    width: 100%;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.info-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-subtle);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.info-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(96, 165, 250, 0.08);
}

.info-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-md);
    color: var(--accent-blue);
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.card-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

/* --- Contact --- */
.contact-section {
    animation: fadeInUp 0.8s ease-out 0.75s both;
    width: 100%;
}

.contact-heading {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.02em;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: var(--text-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all var(--transition-base);
    text-align: left;
}

.contact-item:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 24px rgba(96, 165, 250, 0.1);
}

.contact-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-md);
    background: rgba(96, 165, 250, 0.08);
    border: 1px solid rgba(96, 165, 250, 0.12);
    color: var(--accent-blue);
    transition: all var(--transition-base);
}

.contact-item:hover .contact-item-icon {
    background: rgba(96, 165, 250, 0.15);
    border-color: rgba(96, 165, 250, 0.25);
    box-shadow: 0 0 16px rgba(96, 165, 250, 0.15);
}

.contact-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.contact-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.contact-value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-item:hover .contact-value {
    color: var(--accent-blue);
}

/* --- Footer --- */
.footer {
    animation: fadeInUp 0.8s ease-out 0.9s both;
}

.footer-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.15); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .container {
        padding: var(--space-xl) var(--space-md);
        gap: var(--space-xl);
    }

    .message-title {
        font-size: var(--font-size-2xl);
    }

    .message-subtitle {
        font-size: var(--font-size-base);
    }

    .info-cards {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

    .contact-value {
        white-space: normal;
        word-break: break-all;
    }

    .orb-1 {
        width: 250px;
        height: 250px;
    }

    .orb-2 {
        width: 200px;
        height: 200px;
    }

    .orb-3 {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--space-lg) var(--space-md);
    }

    .message-title {
        font-size: 1.5rem;
    }

    .message-subtitle {
        font-size: var(--font-size-sm);
    }

    .brand-name {
        font-size: var(--font-size-base);
        letter-spacing: 0.15em;
    }

    .lang-toggle {
        top: var(--space-md);
        right: var(--space-md);
    }
}