:root {
    --primary: #8a2be2;
    --primary-hover: #9d4edd;
    --secondary: rgba(255, 255, 255, 0.1);
    --secondary-hover: rgba(255, 255, 255, 0.2);
    --text: #ffffff;
    --text-muted: #b0b0b0;
    --bg-dark: #0f172a;
    --glass: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Анимированный фон с блобами */
.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: 0.5;
    animation: move 20s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    top: -100px;
    left: -100px;
    animation-duration: 15s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #8a2be2;
    bottom: -50px;
    right: -50px;
    animation-duration: 18s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: #ec4899;
    top: 40%;
    left: 60%;
    animation-duration: 25s;
}

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

/* Контейнер и карточка */
.container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

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

header h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 8px;
    background: linear-gradient(to right, #fff, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

/* Зона загрузки */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 32px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(138, 43, 226, 0.05);
}

.upload-icon {
    color: var(--primary);
    margin-bottom: 16px;
}

#upload-status {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Прогресс-бар */
.progress-container {
    margin-top: 16px;
    display: none;
    align-items: center;
    gap: 12px;
}

.progress-bar {
    flex-grow: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    transition: width 0.3s ease;
}

#progress-percent {
    font-size: 0.8rem;
    font-weight: 500;
    min-width: 35px;
}

/* Кнопки */
.actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    color: white;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.4);
}

.btn-secondary {
    background: var(--secondary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* Уведомление (Toast) */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #10b981;
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 500;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}