/* ========================================
   CAPTCHA Auto-Solve Demo Page Styles
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #8b5cf6;
    --success: #10b981;
    --success-light: #34d399;
    --bg-dark: #0a0e1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --scan-color: rgba(99, 102, 241, 0.4);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body.demo2-body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ---- Animated Background ---- */
.demo2-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.demo2-bg::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation: bgOrb1 20s ease-in-out infinite;
}

.demo2-bg::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
    bottom: -10%;
    right: -5%;
    animation: bgOrb2 25s ease-in-out infinite;
}

@keyframes bgOrb1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(100px, 80px) scale(1.2);
    }

    66% {
        transform: translate(-50px, 120px) scale(0.9);
    }
}

@keyframes bgOrb2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-80px, -60px) scale(1.1);
    }

    66% {
        transform: translate(60px, -100px) scale(0.95);
    }
}

/* Floating grid dots */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* ---- Page Content ---- */
.demo2-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1.5rem;
}

/* ---- Back Button ---- */
.back-link {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 100;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(-3px);
}

.back-link i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.back-link:hover i {
    transform: translateX(-3px);
}

/* ---- Header Section ---- */
.demo2-header {
    text-align: center;
    margin-top: 3rem;
    margin-bottom: 3.5rem;
    max-width: 700px;
}

.demo2-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.demo2-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    50% {
        opacity: 0.6;
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
}

.demo2-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 50%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.demo2-header p {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 550px;
    margin: 0 auto;
}

/* ---- Demo Grid ---- */
.demo2-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    width: 100%;
    max-width: 1100px;
    margin-bottom: 3rem;
}

@media (max-width: 900px) {
    .demo2-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
    }
}

/* ---- Captcha Card (Glass Browser Frame) ---- */
.captcha-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.captcha-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-4px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(99, 102, 241, 0.08);
}

/* Card glow on solve */
.captcha-card.state-solved {
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 50px rgba(16, 185, 129, 0.1);
}

/* ---- Card Titlebar ---- */
.card-titlebar {
    display: flex;
    align-items: center;
    padding: 0.85rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-glass);
}

.titlebar-dots {
    display: flex;
    gap: 6px;
}

.titlebar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.titlebar-dot.red {
    background: #ef4444;
}

.titlebar-dot.yellow {
    background: #f59e0b;
}

.titlebar-dot.green {
    background: #22c55e;
}

.titlebar-label {
    flex: 1;
    text-align: center;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.titlebar-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.titlebar-icon.alpha {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--primary-light);
}

.titlebar-icon.numeric {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(52, 211, 153, 0.2));
    color: var(--success-light);
}

/* ---- Card Body ---- */
.card-content {
    padding: 1.5rem;
}

/* Captcha Type Label */
.captcha-type-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.captcha-type-label i {
    font-size: 0.65rem;
}

/* ---- Image Container ---- */
.captcha-preview {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #111827;
    aspect-ratio: 16 / 10;
    margin-bottom: 1.25rem;
}

.captcha-preview img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.6s ease;
}

.captcha-preview img.img-after {
    opacity: 0;
    z-index: 2;
}

.captcha-card.state-solved .captcha-preview img.img-after {
    opacity: 1;
}

/* Scan Line */
.scan-line-el {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg,
            transparent 0%,
            var(--scan-color) 20%,
            var(--primary-light) 50%,
            var(--scan-color) 80%,
            transparent 100%);
    box-shadow: 0 0 20px var(--scan-color), 0 0 60px rgba(99, 102, 241, 0.15);
    z-index: 5;
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
}

.captcha-card.state-scanning .scan-line-el {
    opacity: 1;
    animation: scanDown 2s ease-in-out infinite;
}

@keyframes scanDown {
    0% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(calc(100% * 2.5));
    }
}

/* Scan overlay tint */
.scan-tint {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.05), transparent);
    z-index: 4;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.captcha-card.state-scanning .scan-tint {
    opacity: 1;
}

/* Solved Checkmark Overlay */
.solved-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.captcha-card.state-solved .solved-overlay {
    opacity: 1;
}

.solved-check-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    transform: scale(0);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5);
}

.captcha-card.state-solved .solved-check-circle {
    transform: scale(1);
}

/* ---- Input Field ---- */
.captcha-input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.captcha-input {
    flex: 1;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 0 1rem;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 3px;
    outline: none;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.captcha-input .typed-text {
    display: inline;
    white-space: nowrap;
}

.captcha-input .cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--primary-light);
    margin-left: 1px;
    animation: cursorBlink 1s step-end infinite;
    vertical-align: text-bottom;
}

.captcha-card.state-solved .captcha-input {
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.08);
}

.captcha-card.state-solved .captcha-input .cursor {
    display: none;
}

@keyframes cursorBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.submit-btn {
    height: 44px;
    padding: 0 1.25rem;
    border: none;
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.submit-btn.idle {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.submit-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.submit-btn.success {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

/* ---- Progress Bar ---- */
.progress-track {
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.85rem;
}

.progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.15s linear;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: progressShimmer 1.2s infinite;
}

.captcha-card.state-solved .progress-fill {
    background: linear-gradient(90deg, var(--success), var(--success-light));
}

@keyframes progressShimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* ---- Status Row ---- */
.status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.status-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.status-text i {
    font-size: 0.85rem;
}

.captcha-card.state-scanning .status-text {
    color: var(--primary-light);
}

.captcha-card.state-solving .status-text {
    color: var(--primary-light);
}

.captcha-card.state-solved .status-text {
    color: var(--success);
}

.status-text .spinner-icon {
    display: none;
    animation: spin 1s linear infinite;
}

.captcha-card.state-scanning .status-text .spinner-icon,
.captcha-card.state-solving .status-text .spinner-icon {
    display: inline-block;
}

.captcha-card.state-scanning .status-text .idle-icon,
.captcha-card.state-solving .status-text .idle-icon,
.captcha-card.state-solved .status-text .idle-icon {
    display: none;
}

.status-text .success-icon {
    display: none;
}

.captcha-card.state-solved .status-text .success-icon {
    display: inline-block;
}

.captcha-card.state-solved .status-text .spinner-icon {
    display: none;
}

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

.solve-time {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    font-family: var(--font-mono);
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.4s ease;
}

.captcha-card.state-solved .solve-time {
    opacity: 1;
    transform: translateX(0);
    color: var(--success);
}

/* ---- Confetti Particles ---- */
.confetti-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 50;
    overflow: hidden;
}

.confetti-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 2px;
    opacity: 0;
}

/* ---- Footer Stats ---- */
.demo2-footer {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 1rem;
    padding: 1.5rem;
    opacity: 0.7;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

/* ---- Entrance Animations ---- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUpIn 0.8s ease forwards;
}

.fade-up.delay-1 {
    animation-delay: 0.1s;
}

.fade-up.delay-2 {
    animation-delay: 0.25s;
}

.fade-up.delay-3 {
    animation-delay: 0.4s;
}

.fade-up.delay-4 {
    animation-delay: 0.55s;
}

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

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .demo2-wrapper {
        padding: 1.5rem 1rem;
    }

    .demo2-header {
        margin-top: 4rem;
        margin-bottom: 2rem;
    }

    .card-content {
        padding: 1.25rem;
    }

    .demo2-footer {
        gap: 1.5rem;
    }

    .back-link {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}