@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #090d16;
    --bg-card: rgba(18, 24, 38, 0.75);
    --bg-card-hover: rgba(28, 36, 56, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.4);
    
    --accent: #ec4899;
    --accent-cyan: #06b6d4;
    --emerald: #10b981;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 15% 15%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 85% 85%, rgba(236, 72, 153, 0.12) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Header Navbar */
.navbar {
    border-bottom: 1px solid var(--border-color);
    background: rgba(9, 13, 22, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px var(--primary-glow);
    color: white;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-badge {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid var(--border-glow);
    color: #a5b4fc;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
}

/* Main Container */
.main-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    width: 100%;
    flex: 1;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 40px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 70%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Glass Cards */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 32px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    margin-bottom: 36px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(99, 102, 241, 0.25);
}

.section-label {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.section-label svg {
    color: var(--primary);
}

/* Form Controls */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.code-textarea {
    width: 100%;
    height: 130px;
    background: rgba(5, 8, 15, 0.7);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    color: var(--text-main);
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.92rem;
    line-height: 1.5;
    resize: vertical;
    transition: all 0.25s ease;
}

.code-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: rgba(5, 8, 15, 0.9);
}

.code-textarea::placeholder {
    color: var(--text-dim);
    font-family: var(--font-body);
}

.action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #4338ca);
    color: white;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px var(--primary-glow);
    transition: all 0.25s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, #4f46e5, #3730a3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon {
    padding: 8px;
    border-radius: var(--radius-sm);
}

/* Spinner Loader */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    display: none;
}

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

/* Result Section Grid */
.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;

}

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

/* Player Frame Wrapper */
.player-container {
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    max-height: 550px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

.player-container.landscape {
    aspect-ratio: 16 / 9;
    max-height: 400px;
}

.player-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Output Code Box */
.output-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.code-field-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.code-field-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.code-display {
    background: rgba(5, 8, 15, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.88rem;
    color: #38bdf8;
    word-break: break-all;
    white-space: pre-wrap;
    position: relative;
}

/* Embed Options Toggles */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.option-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.option-checkbox:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
}

.option-checkbox input[type="checkbox"] {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(16, 185, 129, 0.95);
    color: white;
    font-weight: 600;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.error {
    background: rgba(239, 68, 68, 0.95);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.88rem;
    margin-top: auto;
}