/* ===== Theme Variables ===== */
:root {
    /* Light Theme */
    --primary-light: #8a2be2;
    --primary-light-alt: #9d4edd;
    --secondary-light: #4361ee;
    --accent-light: #4cc9f0;
    --success-light: #38b000;
    --dark-light: #f8f9fa;
    --darker-light: #e9ecef;
    --text-light: #121212;
    --glass-light: rgba(255, 255, 255, 0.7);
    --glass-border-light: rgba(0, 0, 0, 0.1);
    --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.1);
    
    /* Dark Theme */
    --primary-dark: #8a2be2;
    --primary-dark-alt: #9d4edd;
    --secondary-dark: #4361ee;
    --accent-dark: #4cc9f0;
    --success-dark: #38b000;
    --dark-dark: #121212;
    --darker-dark: #0a0a0a;
    --text-dark: #f8f9fa;
    --glass-dark: rgba(255, 255, 255, 0.08);
    --glass-border-dark: rgba(255, 255, 255, 0.15);
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.3);
}
/* Help Toggle */
.help-toggle {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.help-toggle:hover {
    transform: scale(1.1);
    background: rgba(138, 43, 226, 0.2);
}

.help-toggle i {
    font-size: 1.8rem;
    color: var(--accent);
    transition: all 0.3s ease;
}

/* Help Modal */
.help-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.help-modal .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.help-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.help-modal .modal-header h3 {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    color: var(--accent);
}

.steps {
    list-style: none;
    padding: 0;
}

.steps li {
    display: flex;
    gap: 15px;
    padding: 15px;
    margin-bottom: 15px;
    background: rgba(var(--darker), 0.2);
    border-radius: 14px;
    border-left: 4px solid var(--primary);
    align-items: flex-start;
}

.steps li i {
    font-size: 1.5rem;
    color: var(--primary);
    min-width: 30px;
    padding-top: 4px;
}

.steps li strong {
    display: block;
    margin-bottom: 5px;
    color: var(--text);
}

.steps li p {
    margin: 0;
    color: rgba(var(--text), 0.7);
    font-size: 0.95rem;
}
/* ===== Version Popup ===== */
.version-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: none;
    animation: popupFadeIn 0.5s ease-out;
}

.version-popup.show {
    display: block;
    animation: popupFadeIn 0.5s ease-out;
}

.popup-content {
    background: rgba(138, 43, 226, 0.9);
    color: white;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(138, 43, 226, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    max-width: 300px;
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    animation: popupSlideUp 0.5s 0.2s forwards;
}

.popup-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.popup-content p {
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.popup-close:hover {
    transform: scale(1.2);
    color: #4cc9f0;
}

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

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

@keyframes popupFadeOut {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(20px);
        opacity: 0;
    }
}
/* Version Notice */
.version-notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(138, 43, 226, 0.9);
    color: white;
    padding: 10px 15px;
    border-radius: 30px;
    font-size: 0.8rem;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: pulseGlow 2s infinite;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== Format Selector Styles ===== */
.format-selector {
    display: flex;
    gap: 10px;
    margin-top: 5px;
    flex-wrap: wrap;
}

.note.duration-limit {
    color: var(--accent);
    font-weight: 500;
    margin-top: 15px;
    text-align: center;
    border: 1px solid var(--glass-border);
    padding: 8px;
    border-radius: 10px;
    background: rgba(138, 43, 226, 0.1);
}

.btn-format {
    flex: 1;
    min-width: 80px;
    padding: 12px 10px;
    border-radius: 12px;
    background: rgba(var(--darker), 0.4);
    border: 1px solid var(--glass-border);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(var(--text), 0.7);
}

.btn-format i {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.btn-format.active {
    background: rgba(138, 43, 226, 0.15);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.3);
}

.btn-format.active i {
    color: var(--accent);
    transform: scale(1.1);
}

.btn-format:hover:not(.active) {
    transform: translateY(-2px);
    border-color: rgba(138, 43, 226, 0.3);
}

/* Existing CSS remains unchanged */
.logo-text {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.powered-by {
    font-size: 0.9rem;
    color: var(--accent);
    margin-top: 5px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 0 0 8px rgba(76, 201, 240, 0.7);
    animation: neonPulse 3s infinite alternate;
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
    line-height: 1.6;
    transition: all 0.5s ease;
}

/* ===== Theme Switching ===== */
body.dark-mode {
    --primary: var(--primary-dark);
    --primary-alt: var(--primary-dark-alt);
    --secondary: var(--secondary-dark);
    --accent: var(--accent-dark);
    --success: var(--success-dark);
    --dark: var(--dark-dark);
    --darker: var(--darker-dark);
    --text: var(--text-dark);
    --glass: var(--glass-dark);
    --glass-border: var(--glass-border-dark);
    --shadow: var(--shadow-dark);
    background: linear-gradient(135deg, var(--darker), var(--dark));
    color: var(--text);
}

body.light-mode {
    --primary: var(--primary-light);
    --primary-alt: var(--primary-light-alt);
    --secondary: var(--secondary-light);
    --accent: var(--accent-light);
    --success: var(--success-light);
    --dark: var(--dark-light);
    --darker: var(--darker-light);
    --text: var(--text-light);
    --glass: var(--glass-light);
    --glass-border: var(--glass-border-light);
    --shadow: var(--shadow-light);
    background: linear-gradient(135deg, var(--darker), var(--dark));
    color: var(--text);
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(138, 43, 226, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(67, 97, 238, 0.1) 0%, transparent 40%);
    z-index: -1;
    opacity: 0.7;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes wave {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(10deg); }
    50% { transform: rotate(0deg); }
    75% { transform: rotate(-10deg); }
    100% { transform: rotate(0deg); }
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes neonPulse {
    0% { text-shadow: 0 0 5px var(--primary), 0 0 10px var(--primary); }
    50% { text-shadow: 0 0 20px var(--primary), 0 0 30px var(--primary); }
    100% { text-shadow: 0 0 5px var(--primary), 0 0 10px var(--primary); }
}

@keyframes floatParticle {
    0% { transform: translateY(0) translateX(0) rotate(0deg); }
    100% { transform: translateY(-100vh) translateX(50px) rotate(360deg); }
}

@keyframes pulseGlow {
    0% { box-shadow: 0 10px 25px rgba(138, 43, 226, 0.4); }
    100% { box-shadow: 0 10px 30px rgba(138, 43, 226, 0.6), 0 0 15px rgba(138, 43, 226, 0.4); }
}

@keyframes shine {
    100% { left: 150%; }
}

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

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

@keyframes slideIn {
    to { transform: translateX(0); }
}

@keyframes slideOut {
    to { transform: translateX(100%); opacity: 0; }
}

@keyframes ripple {
    to { transform: scale(4); opacity: 0; }
}

@keyframes cardEntrance {
    0% { opacity: 0; transform: scale(0.95) translateY(20px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

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

/* ===== Theme Toggle ===== */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.3);
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.theme-toggle:hover::before {
    left: 100%;
}

.theme-toggle i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: transform 0.3s ease;
}

/* ===== Particle Background ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: floatParticle linear infinite;
    opacity: 0.5;
}

.particle.small {
    width: 2px;
    height: 2px;
    opacity: 0.2;
}

.particle.medium {
    width: 4px;
    height: 4px;
    opacity: 0.4;
}

.particle.large {
    width: 6px;
    height: 6px;
    opacity: 0.6;
}

.particle.x-large {
    width: 10px;
    height: 10px;
    opacity: 0.8;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    position: relative;
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: float 6s ease-in-out infinite;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    animation: pulse 2s infinite alternate, wave 2s ease-in-out infinite;
    transform-origin: bottom center;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(138, 43, 226, 0.4); }
    100% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(138, 43, 226, 0); }
}

.logo-icon i {
    font-size: 28px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

header h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
    letter-spacing: -0.5px;
    animation: textGlow 3s infinite alternate, neonPulse 3s ease-in-out infinite;
}

@keyframes textGlow {
    0% { text-shadow: 0 0 10px rgba(138, 43, 226, 0.5); }
    100% { text-shadow: 0 0 20px rgba(138, 43, 226, 0.8); }
}

header p {
    font-size: 1.2rem;
    color: rgba(var(--text), 0.7);
    max-width: 700px;
    margin: 0 auto 30px;
    font-weight: 300;
    animation: fadeIn 1s ease-out 0.3s both;
}

/* ===== Hero Stats ===== */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 30px;
    perspective: 1000px;
}

.stat-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    min-width: 180px;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    animation: floatIn 0.6s ease-out forwards;
    opacity: 0;
    perspective: 500px;
}

@keyframes floatIn {
    0% { opacity: 0; transform: translateY(30px) rotateX(45deg); }
    100% { opacity: 1; transform: translateY(0) rotateX(0); }
}

.stat-card:nth-child(1) { animation-delay: 0.4s; }
.stat-card:nth-child(2) { animation-delay: 0.6s; }
.stat-card:nth-child(3) { animation-delay: 0.8s; }

.stat-card:hover {
    transform: rotateY(15deg) translateY(-10px) scale(1.05);
    box-shadow: 0 20px 40px rgba(138, 43, 226, 0.5);
    border-color: rgba(138, 43, 226, 0.3);
}

.stat-card i {
    font-size: 2rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: var(--transition);
}

.stat-card:hover i {
    transform: scale(1.2);
}

.stat-card .number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: var(--transition);
}

.stat-card:hover .number {
    transform: scale(1.1);
}

.stat-card .label {
    font-size: 0.9rem;
    color: rgba(var(--text), 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

/* ===== Card ===== */
.card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 40px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: cardEntrance 0.8s ease-out 0.5s both;
    transform-origin: top center;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: 0.8s;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    border-color: rgba(138, 43, 226, 0.3);
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg) scale(1.01);
    box-shadow: 0 25px 50px rgba(138, 43, 226, 0.4);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    color: var(--text);
    font-size: 1.8rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-title:hover {
    transform: translateX(5px);
}

.card-title i {
    width: 50px;
    height: 50px;
    background: rgba(138, 43, 226, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-title:hover i {
    transform: rotate(15deg);
    background: rgba(138, 43, 226, 0.3);
}

/* ===== Form ===== */
.form-group {
    margin-bottom: 25px;
    animation: formFieldEntrance 0.6s ease-out forwards;
    opacity: 0;
}

@keyframes formFieldEntrance {
    0% { opacity: 0; transform: translateX(-20px); }
    100% { opacity: 1; transform: translateX(0); }
}

.form-group:nth-child(1) { animation-delay: 0.6s; }
.form-group:nth-child(2) { animation-delay: 0.7s; }
.form-group:nth-child(3) { animation-delay: 0.8s; }

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.input-with-icon {
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.input-with-icon:hover {
    transform: translateY(-5px);
}

.input-with-icon i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 1.2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.input-with-icon:hover i {
    transform: translateY(-50%) scale(1.1);
    color: var(--accent);
}

.form-control {
    width: 100%;
    padding: 18px 20px 18px 60px;
    background: rgba(var(--darker), 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: var(--text);
    font-family: 'Poppins', sans-serif;
    box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.2);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(138, 43, 226, 0.3);
    transform: scale(1.03);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 36px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transform-style: preserve-3d;
    perspective: 500px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    z-index: -1;
    transition: all 0.6s ease;
    transform: translateZ(-1px);
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.6s;
}

.btn:hover::before {
    transform: scale(1.05) translateZ(0);
}

.btn:hover::after {
    left: 100%;
}

.btn-primary {
    color: white;
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.4);
    animation: pulseGlow 2s infinite alternate, float 4s ease-in-out infinite;
}

.btn-primary:hover {
    transform: translateY(-5px) rotateX(10deg) scale(1.05);
    box-shadow: 0 15px 30px rgba(138, 43, 226, 0.5);
}

.btn-primary:active {
    transform: translateY(1px) scale(0.98);
}

/* ===== Progress Section ===== */
.progress-section {
    display: none;
    margin-top: 30px;
    text-align: center;
    animation: fadeIn 0.6s ease-out;
}

.progress-container {
    margin-bottom: 30px;
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.progress-bar {
    height: 20px;
    background: rgba(var(--darker), 0.4);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.progress-bar:hover {
    transform: scale(1.02);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
    width: 0%;
    transition: width 0.5s ease, background 0.5s ease;
    position: relative;
    overflow: visible;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shine 2s infinite;
}

/* ===== Result Section ===== */
.result-section {
    display: none;
    text-align: center;
    padding: 40px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    margin-top: 40px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    animation: zoomIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.video-preview {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 30px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background: black;
    aspect-ratio: 16/9;
    position: relative;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    transform: translateZ(20px);
}

.video-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-preview:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg) translateZ(30px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.preview-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    cursor: pointer;
    transition: all 0.4s ease;
}

.preview-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.preview-placeholder:hover {
    background: rgba(0, 0, 0, 0.5);
}

.preview-placeholder:hover i {
    transform: scale(1.1);
    color: var(--accent);
}

.video-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10;
}

.video-loading i {
    font-size: 3rem;
    color: var(--primary);
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== Action Buttons ===== */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #2e7d32);
    color: white;
    box-shadow: 0 10px 25px rgba(56, 176, 0, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: rgba(138, 43, 226, 0.1);
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 40px 0 20px;
    color: rgba(var(--text), 0.5);
    font-size: 0.95rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 40px;
    animation: fadeIn 1s ease-out 1s both;
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
    background-size: 200% 200%;
    animation: gradientFlow 8s ease infinite;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(138, 43, 226, 0.1), transparent);
    z-index: -1;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
}

.social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--primary);
    font-size: 1.2rem;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-links a:hover {
    transform: translateY(-5px) rotateY(180deg);
    background: rgba(138, 43, 226, 0.2);
    color: white;
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.3);
}

/* ===== Flash Messages ===== */
.flashes {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.alert {
    padding: 18px 24px;
    border-radius: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    animation: slideIn 0.4s forwards, slideOut 0.4s forwards 4.6s;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    background: var(--glass);
}

/* ===== Ripple Effect ===== */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple 0.6s linear;
}

/* ===== Form Grid ===== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 992px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.time-inputs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 768px) {
    .time-inputs {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== Notes ===== */
.note {
    margin-top: 8px;
    font-size: 0.85rem;
    color: rgba(var(--text), 0.6);
    display: flex;
    align-items: center;
    gap: 5px;
}

.note i {
    color: var(--accent);
}

.note.warning {
    color: #ff9e80;
}

/* ===== Time Range Slider ===== */
.time-range-container {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 20px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.time-display {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--text);
}

.range-slider {
    position: relative;
    height: 40px;
    width: 100%;
    margin: 20px 0;
}

.range-slider input[type="range"] {
    position: absolute;
    width: 100%;
    height: 6px;
    top: 50%;
    transform: translateY(-50%);
    -webkit-appearance: none;
    background: transparent;
    pointer-events: none;
    z-index: 3;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
    transition: all 0.3s ease;
    border: 3px solid white;
}

.range-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.8);
}

.slider-track {
    position: absolute;
    width: 100%;
    height: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(var(--darker), 0.4);
    border-radius: 3px;
    z-index: 1;
}

.slider-track::before {
    content: '';
    position: absolute;
    left: var(--range-start);
    right: calc(100% - var(--range-end));
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 3px;
    z-index: 2;
}

/* ===== Manual Time Inputs ===== */
.manual-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.85rem;
    margin-bottom: 5px;
    color: rgba(var(--text), 0.8);
    font-weight: 500;
}

.input-group .form-control {
    padding: 12px 15px;
    font-family: monospace;
    text-align: center;
}

.video-preview-container {
    margin-bottom: 20px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: black;
}

.video-preview-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }
    
    .card {
        padding: 30px 20px;
    }
    
    .time-inputs {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .stat-card {
        min-width: 120px;
        padding: 15px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }

    .manual-inputs {
        grid-template-columns: 1fr;
    }
}

/* ===== White Text for Specific Buttons ===== */
#preview-btn, #new-download-btn {
    color: white !important;
}

/* ===== Hide form during processing ===== */
#form-container {
    display: block;
}

.processing #form-container {
    display: none;
}

.processing .progress-section {
    display: block;
}

.note.duration-limit {
    color: var(--accent);
    font-weight: 500;
    margin-top: 15px;
    text-align: center;
    border: 1px solid var(--glass-border);
    padding: 8px;
    border-radius: 10px;
    background: rgba(138, 43, 226, 0.1);
}

/* ===== Progress Modal ===== */
.progress-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 500px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    color: var(--accent);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: rgba(var(--text), 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.progress-container {
    margin-bottom: 20px;
}

.progress-bar {
    height: 20px;
    background: rgba(var(--darker), 0.4);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
    width: 0%;
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shine 2s infinite;
}

.progress-percent {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 15px;
    color: var(--accent);
}

.status-message {
    text-align: center;
    padding: 15px;
    background: rgba(var(--darker), 0.3);
    border-radius: 14px;
    border: 1px solid var(--glass-border);
}