:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #c084fc;
    --bg-dark: #070b14;
    --card-bg: rgba(30, 41, 59, 0.4);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.08);
    --glow: rgba(99, 102, 241, 0.15);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(192, 132, 252, 0.1) 0%, transparent 40%);
}

/* Background animated glow */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

header {
    text-align: center;
    padding-bottom: 4rem;
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(129, 140, 248, 0.3));
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 20px var(--glow);
    background: rgba(30, 41, 59, 0.6);
}

.card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.3s ease;
}

.card:hover i {
    transform: scale(1.1) rotate(5deg);
}

.card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
}

.card p {
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1.6;
}

/* Form Styles */
.form-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 2.5rem;
    padding: 3rem;
    max-width: 700px;
    margin: 3rem auto;
    box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.4);
}

.form-group {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    font-size: 1rem;
}

textarea,
input[type="text"],
input[type="file"] {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.25rem;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
}

textarea:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

button {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    padding: 1.25rem 2rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(99, 102, 241, 0.4);
    filter: brightness(1.1);
}

button:active {
    transform: translateY(0);
}

/* Results Section */
.result-box {
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(192, 132, 252, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 1.5rem;
    animation: slideUp 0.5s ease-out;
}

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

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

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--text-main);
}

/* Voice Recorder UI */
.recorder-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.record-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #ef4444;
    border: 6px solid rgba(239, 68, 68, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.5rem;
}

.record-btn.recording {
    animation: pulse 1.5s infinite;
    background: #dc2626;
    border-radius: 1rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(239, 68, 68, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

/* Loading Overlay */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 11, 20, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(99, 102, 241, 0.1);
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1.5rem;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Image Preview */
#preview-container {
    width: 100%;
    height: 300px;
    border-radius: 1.5rem;
    overflow: hidden;
    margin-bottom: 1.5rem;
    display: none;
    border: 2px dashed var(--glass-border);
}

#preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Confidence Meter */
.confidence-container {
    margin-top: 1.5rem;
    text-align: left;
}

.confidence-bar {
    background: rgba(15, 23, 42, 0.4);
    border-radius: 1rem;
    height: 12px;
    width: 100%;
    overflow: hidden;
    margin: 0.5rem 0;
}

.confidence-fill {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    height: 100%;
    transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Copy Button */
.copy-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    margin-bottom: 1rem;
    width: auto;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

/* Range Slider */
.slider-container {
    margin-bottom: 2rem;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: 5px;
    outline: none;
    margin: 1rem 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* Floating Actions */
.floating-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem 1rem;
    }

    .form-card {
        padding: 1.5rem;
        border-radius: 1.5rem;
        margin: 1.5rem auto;
    }

    h1 {
        font-size: 2rem;
    }

    .grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .card {
        padding: 1.5rem;
        border-radius: 1.5rem;
    }

    .card h3 {
        font-size: 1.3rem;
    }

    button {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .result-box {
        padding: 1.5rem;
    }

    .record-btn {
        width: 65px;
        height: 65px;
    }

    #preview-container {
        height: 220px;
    }
}