:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --success: #10b981;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 4rem;
}

/* Background Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(80px);
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: move 20s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: #7c3aed;
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: #ec4899;
    top: 40%;
    left: 60%;
    animation-delay: -10s;
}

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(100px, 50px) scale(1.1); }
}

/* Container */
.container {
    width: 90%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeIn 0.8s ease-out;
}

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

header {
    text-align: center;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-dim);
    font-size: 1.1rem;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 1.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 1rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.4);
}

.path-display {
    font-size: 0.9rem;
    color: var(--text-dim);
    word-break: break-all;
    max-width: 100%;
}

/* Controls Row for Toggle and Button */
.controls-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.format-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 1rem;
    padding: 0.3rem;
    border: 1px solid var(--glass-border);
}

.format-toggle label {
    cursor: pointer;
    position: relative;
}

.format-toggle input[type="radio"] {
    display: none;
}

.format-toggle span {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 0.8rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dim);
    transition: all 0.3s ease;
}

.format-toggle input[type="radio"]:checked + span {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

/* Dropzone */
.dropzone {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 2px dashed var(--glass-border);
    border-radius: 2rem;
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dropzone:hover, .dropzone.drag-active {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.icon-large {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
}

.dropzone:hover .icon-large {
    transform: translateY(-5px);
}

.dropzone p {
    font-size: 1.2rem;
    font-weight: 600;
}

.dropzone span {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Process List */
.process-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.file-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-name {
    font-weight: 600;
    font-size: 1rem;
}

.file-status {
    font-size: 0.85rem;
    padding: 0.2rem 0.6rem;
    border-radius: 2rem;
    background: rgba(255, 255, 255, 0.1);
}

.file-status.success {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.progress-bar-bg {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
}