:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --accent-color: #38bdf8;
    --accent-hover: #0284c7;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --danger: #ef4444;
    --success: #10b981;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Header & Nav */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 15px;
    transition: color 0.3s;
}

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

/* Dashboard Controls */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.search-form {
    display: flex;
    gap: 10px;
    flex: 1;
    min-width: 280px;
}

.input-field, .select-field, .textarea-field {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: 6px;
    outline: none;
    width: 100%;
}

.input-field:focus, .select-field:focus, .textarea-field:focus {
    border-color: var(--accent-color);
}

/* Grid Layout */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.card-title {
    font-size: 1.2rem;
    color: var(--text-main);
}

.badge {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.card-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background-color 0.2s;
}

.btn-primary { background-color: var(--accent-color); color: #0f172a; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-secondary { background-color: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-secondary:hover { background-color: var(--border-color); }
.btn-danger { background-color: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

/* Code Container */
.code-container {
    position: relative;
    margin-top: 10px;
}

.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    padding: 4px 8px;
    font-size: 0.75rem;
    background: var(--border-color);
    color: var(--text-main);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.pagination a {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 4px;
}

.pagination a.active {
    background: var(--accent-color);
    color: #0f172a;
}

/* Forms */
.form-box {
    max-width: 600px;
    margin: 30px auto;
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-muted);
}

footer {
    margin-top: auto;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
    padding: 15px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}