/* style.css */
:root {
    --bg-main: #0b0c10;
    --bg-card: #1f2833;
    --text-main: #c5c6c7;
    --text-light: #ffffff;
    --accent-green: #45a29e;
    --accent-orange: #e09f3e;
    --accent-red: #9e2a2b;
    --accent-burgundy: #540b0e;
    --border-color: #2c353d;
    --glow: rgba(69, 162, 158, 0.2);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header {
    background: #121418;
    border-bottom: 2px solid var(--accent-burgundy);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-container img {
    height: 40px;
    object-fit: contain;
}

.system-badge {
    background: var(--accent-burgundy);
    color: var(--text-light);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.main-nav a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--accent-green);
}

.admin-link {
    color: var(--accent-orange) !important;
}

.logout-btn {
    color: var(--accent-red) !important;
}

.container {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 20px;
    flex: 1;
    width: 100%;
}

/* Raster Layout for Modules (Index) */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.module-card {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 20px;
    border-left: 6px solid;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--glow);
}

.module-card.green { border-left-color: var(--accent-green); }
.module-card.orange { border-left-color: var(--accent-orange); }
.module-card.red { border-left-color: var(--accent-red); }

.module-card h3 {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.module-card p {
    font-size: 0.9rem;
    color: #9da5b4;
    margin-bottom: 15px;
}

/* Tabs System */
.tabs-nav {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--accent-green);
    border-bottom-color: var(--accent-green);
    background: rgba(69, 162, 158, 0.05);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Forms & Tables */
form {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-light);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    background: #121418;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 4px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-green);
}

button[type="submit"], .btn {
    background: var(--accent-green);
    color: var(--bg-main);
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s;
}

button[type="submit"]:hover, .btn:hover {
    opacity: 0.9;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 20px;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: #121418;
    color: var(--text-light);
}

/* Explorer tree style */
.explorer-tree {
    background: #121418;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    max-height: 300px;
    overflow-y: auto;
}

.explorer-item {
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 3px;
}

.explorer-item:hover {
    background: rgba(255,255,255,0.05);
}

.auth-card {
    max-width: 500px;
    margin: 50px auto;
}