/* ========================================
   SHINOBI - Ninja Dark Theme
   Particles + Animated Gradients + Ninja Logo
   ======================================== */

:root {
    /* Colors */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --border-color: #1a1a1a;
    --text-primary: #e0e0e0;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    
    /* Purple Neon */
    --accent-primary: #a855f7;
    --accent-secondary: #c084fc;
    --accent-tertiary: #d946ef;
    --accent-glow: rgba(168, 85, 247, 0.5);
    --accent-gradient: linear-gradient(135deg, #a855f7 0%, #c084fc 50%, #d946ef 100%);
    
    /* Status */
    --success: #16a34a;
    --error: #dc2626;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    
    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* ========================================
   Particle Background
   ======================================== */

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 15s infinite;
    box-shadow: 0 0 10px var(--accent-glow);
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 20s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 25s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 18s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 22s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 24s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 19s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 21s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 23s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 20s; }
.particle:nth-child(10) { left: 15%; animation-delay: 3s; animation-duration: 26s; }
.particle:nth-child(11) { left: 25%; animation-delay: 5s; animation-duration: 17s; }
.particle:nth-child(12) { left: 35%; animation-delay: 2s; animation-duration: 22s; }
.particle:nth-child(13) { left: 45%; animation-delay: 4s; animation-duration: 24s; }
.particle:nth-child(14) { left: 55%; animation-delay: 1s; animation-duration: 19s; }
.particle:nth-child(15) { left: 65%; animation-delay: 3s; animation-duration: 21s; }
.particle:nth-child(16) { left: 75%; animation-delay: 5s; animation-duration: 23s; }
.particle:nth-child(17) { left: 85%; animation-delay: 2s; animation-duration: 20s; }
.particle:nth-child(18) { left: 95%; animation-delay: 4s; animation-duration: 25s; }

@keyframes float-particle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

/* ========================================
   Gradient Orbs (Animated Background)
   ======================================== */

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
    animation: orb-float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    bottom: -250px;
    right: -250px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes orb-float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, 50px) scale(1.1);
    }
    50% {
        transform: translate(0, 100px) scale(0.9);
    }
    75% {
        transform: translate(-50px, 50px) scale(1.05);
    }
}

/* ========================================
   Container
   ======================================== */

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-sm);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* ========================================
   Header
   ======================================== */

.header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-md);
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.logo-symbol {
    position: relative;
}

/* Ninja Logo Animations */
.ninja-logo {
    filter: drop-shadow(0 0 30px var(--accent-glow));
    animation: ninja-float 3s ease-in-out infinite;
}

@keyframes ninja-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.ninja-head {
    animation: head-pulse 2s ease-in-out infinite;
}

@keyframes head-pulse {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
    }
}

.ninja-star {
    transform-origin: center;
    animation: star-rotate 10s linear infinite;
}

.star-1 {
    animation-delay: 0s;
}

.star-2 {
    animation-delay: -5s;
}

@keyframes star-rotate {
    from {
        transform: rotate(0deg) translateX(5px);
    }
    to {
        transform: rotate(360deg) translateX(5px);
    }
}

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

.logo-main {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: text-glow 3s ease-in-out infinite;
}

@keyframes text-glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--accent-glow));
    }
    50% {
        filter: drop-shadow(0 0 20px var(--accent-glow));
    }
}

.logo-tag {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: lowercase;
    margin-top: -5px;
}

.tagline {
    color: var(--accent-primary);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

/* Rate Warning - Sutil */
.rate-warning {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

.warning-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 5px var(--accent-glow);
    }
    50% {
        opacity: 0.5;
        box-shadow: 0 0 10px var(--accent-glow);
    }
}

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

.main-section {
    flex: 1;
}

/* Input Container */
.input-container {
    margin-bottom: 3.5rem;
}

.input-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-primary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-xs);
}

.prompt-symbol {
    color: var(--accent-primary);
    font-weight: 700;
    text-shadow: 0 0 10px var(--accent-glow);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.input-wrapper:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-glow), 0 0 30px var(--accent-glow);
}

.input-prefix {
    padding: 0 var(--spacing-md);
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.1rem;
    user-select: none;
}

#videoUrl {
    flex: 1;
    padding: var(--spacing-md) 0;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    outline: none;
}

#videoUrl::placeholder {
    color: var(--text-muted);
}

.download-btn {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--accent-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-btn:hover {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--accent-glow);
}

.download-btn:active {
    transform: scale(0.95);
}

.download-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

/* Cooldown Display */
.cooldown-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.cooldown-display.hidden {
    display: none;
}

.cooldown-icon {
    color: var(--accent-primary);
}

.cooldown-text {
    color: var(--text-secondary);
}

#cooldownTimer {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ========================================
   Platforms Section - Top 5
   ======================================== */

.platforms-section {
    text-align: center;
    margin-bottom: 2rem;
    margin-top: var(--spacing-lg);
}

.platforms-title {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.platforms-title .highlight {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1rem;
}

.platform-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: var(--spacing-md);
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: default;
    min-width: 80px;
}

.platform-card svg {
    transition: all var(--transition-normal);
    filter: grayscale(0.8);
}

.platform-card span {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: color var(--transition-normal);
}

.platform-card:hover {
    border-color: currentColor;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.platform-card:hover svg {
    filter: grayscale(0);
    transform: scale(1.1);
}

.platform-card:hover span {
    color: var(--text-primary);
}

/* Platform Colors */
.platform-card.youtube { color: #ff0000; }
.platform-card.instagram { color: #e4405f; }
.platform-card.tiktok { color: #ffffff; }
.platform-card.twitter { color: #1da1f2; }
.platform-card.facebook { color: #1877f2; }

/* Hover backgrounds */
.platform-card.youtube:hover { background: rgba(255, 0, 0, 0.15); }
.platform-card.instagram:hover { background: rgba(228, 64, 95, 0.15); }
.platform-card.tiktok:hover { background: rgba(255, 255, 255, 0.15); }
.platform-card.twitter:hover { background: rgba(29, 161, 242, 0.15); }
.platform-card.facebook:hover { background: rgba(24, 119, 242, 0.15); }

/* ========================================
   Status Section
   ======================================== */

.status-section.hidden,
.result-section.hidden,
.error-section.hidden {
    display: none;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px var(--accent-glow);
}

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

.status-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========================================
   Result Section
   ======================================== */

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.success-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--success);
    border: 1px solid var(--success);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1rem;
}

.result-header h3 {
    color: var(--text-primary);
    font-size: 1rem;
}

.video-info {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.video-thumbnail {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.video-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.video-title {
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-duration {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.download-options {
    margin-bottom: var(--spacing-lg);
}

.download-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-md);
    background: var(--accent-gradient);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.download-option:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.new-download-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.new-download-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* ========================================
   Error Section
   ======================================== */

.error-card {
    background: var(--bg-secondary);
    border: 1px solid var(--error);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--error);
    border: 1px solid var(--error);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.error-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.error-message {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-lg);
}

.retry-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.retry-btn:hover {
    background: var(--error);
    color: var(--bg-primary);
    border-color: var(--error);
}

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

.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-xs);
}

.shuriken-icon {
    color: var(--accent-primary);
    margin-right: var(--spacing-xs);
}

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

.footer-note {
    font-size: 0.75rem;
}

/* ========================================
   Responsive - Mobile First
   ======================================== */

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .logo-main {
        font-size: 1.8rem;
        letter-spacing: 4px;
    }
    
    .ninja-logo {
        width: 60px;
        height: 60px;
    }
    
    /* Platforms - Responsive */
    .platform-grid {
        gap: var(--spacing-sm);
    }
    
    .platform-card {
        min-width: 70px;
        padding: var(--spacing-xs);
    }
    
    .platform-card svg {
        width: 20px;
        height: 20px;
    }
    
    .platform-card span {
        font-size: 0.65rem;
    }
    
    .video-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .video-thumbnail {
        width: 100%;
        max-width: 200px;
        height: auto;
        aspect-ratio: 16/9;
    }
    
    .tagline {
        font-size: 0.8rem;
    }
    
    .rate-warning {
        font-size: 0.7rem;
        padding: 0 var(--spacing-xs);
    }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 768px) {
    .platform-card {
        min-width: 75px;
    }
}

/* ========================================
   Utility
   ======================================== */

.hidden {
    display: none !important;
}