:root {
    --bg-main: #121212;
    --bg-card: #1a1a1a;
    --bg-input: #252525;
    --border-color: #333333;
    --text-main: #e0e0e0;
    --text-muted: #aaaaaa;
    --accent-bronze: #c59b27;
    --accent-bronze-hover: #d9ab2b;
    --danger: #cf6679;
    --success: #03dac6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

/* Header */
header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

header nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

header nav ul li a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

header nav ul li a:hover, header nav ul li a.active {
    color: var(--accent-bronze);
}

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

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
}

h1, h2, h3 {
    color: var(--accent-bronze);
    margin-bottom: 20px;
}

/* Buttons & Inputs */
button, .btn {
    background-color: var(--accent-bronze);
    color: #121212;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}

button:hover, .btn:hover {
    background-color: var(--accent-bronze-hover);
}

input, select, textarea {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px;
    border-radius: 4px;
    width: 100%;
    margin-bottom: 15px;
}

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

/* Grid System */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-modules {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

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

.tab-btn.active {
    background: var(--accent-bronze);
    color: #121212;
    border-color: var(--accent-bronze);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

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

th {
    color: var(--accent-bronze);
}