:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #1e293b;
    --danger-color: #ef4444;
    --border-color: #334155;
    --card-bg: #1e293b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: var(--secondary-color);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links a {
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

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

.btn-secondary:hover {
    background-color: #334155;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.875rem;
}

.btn-outline {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--secondary-color);
    color: var(--text-color);
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Auth */
.auth-container {
    max-width: 400px;
    margin: 40px auto;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.auth-container h2 {
    margin-bottom: 20px;
    text-align: center;
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.file-input {
    display: none;
}

.file-list table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
}

.file-list th,
.file-list td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.file-list th {
    background-color: #334155;
    font-weight: 600;
}

.file-list tr:last-child td {
    border-bottom: none;
}

.actions {
    display: flex;
    gap: 10px;
}

/* Hero */
.hero {
    text-align: center;
    padding: 60px 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    margin-bottom: 30px;
}

/* Flashes */
.flashes {
    margin-bottom: 20px;
}

.flash {
    padding: 10px 15px;
    background-color: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    color: var(--primary-color);
    margin-bottom: 10px;
}