@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --primary-blue: #0ea5e9;
    --primary-blue-hover: #0284c7;
    --accent-green: #22c55e;
    --accent-green-hover: #16a34a;
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-main: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
}

a {
    text-decoration: none;
    transition: color 0.2s;
}

/* Navbar Styles */
.navbar {
    background-color: var(--bg-card);
    color: var(--text-main);
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-main);
    border-bottom: 1px solid var(--border-color);
}

.navbar a {
    color: var(--text-muted);
    margin-left: 20px;
    font-size: 0.95rem;
    font-weight: 500;
}

.navbar a:hover {
    color: var(--primary-blue);
}

.navbar .brand {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-blue);
    letter-spacing: 0.5px;
}

/* Utility Classes */
.btn {
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9em;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

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

.btn-success {
    background-color: var(--accent-green);
    color: white;
}

.btn-success:hover {
    background-color: var(--accent-green-hover);
}

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

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

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

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

.card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-main);
}

.form-input, .form-select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-main);
    color: var(--text-main);
    border-radius: 6px;
    outline: none;
    box-sizing: border-box;
}

.form-input:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

/* Common Layouts */
.main-content {
    /* No padding by default, specific pages can handle it */
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main); 
}
 
::-webkit-scrollbar-thumb {
    background: #475569; 
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b; 
}