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

:root {
    --bg-dark: #0a0a0c;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-card: rgba(255, 255, 255, 0.1);
    --text-main: #f0f0f0;
    --text-muted: #a0a0a0;
    --accent: #6366f1; /* Indigo */
    --accent-hover: #4f46e5;
    --error: #ef4444;
    --success: #22c55e;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 20px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"] {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

button {
    width: 100%;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

button:hover {
    background: var(--accent-hover);
}

button:active {
    transform: scale(0.98);
}

/* Utils */
.error { color: var(--error); margin-bottom: 15px; font-size: 0.9rem; }
.success { color: var(--success); margin-bottom: 15px; font-size: 0.9rem; }

/* Login Box */
.login-box {
    max-width: 420px;
    margin: auto;
    padding: 40px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.user-info {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Cards */
.card {
    padding: 24px;
    margin-bottom: 24px;
}

.transfer-item {
    padding: 16px;
    border-bottom: 1px solid var(--border-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.transfer-item:last-child {
    border-bottom: none;
}

.file-list {
    margin-top: 20px;
}

.file-item {
    background: rgba(255, 255, 255, 0.04);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid transparent;
    transition: border-color 0.2s, background 0.2s;
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-card);
}

.file-info {
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}

.file-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn-download {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-download:hover {
    background: var(--accent-hover);
    color: white;
}

/* Upload Specifics */
.drop-zone {
    border: 2px dashed var(--border-card);
    padding: 48px 24px;
    text-align: center;
    border-radius: 16px;
    margin-bottom: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.08);
    transform: translateY(-2px);
}

.drop-zone-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 16px;
    display: block;
}

.progress-list {
    margin: 24px 0;
}

.progress-item {
    margin-bottom: 16px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.progress-bar-wrap {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

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

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    margin-top: 12px;
}