:root {
    --bg-main: #0B0B13;
    --bg-card: #14141E;
    --bg-hover: #1E1F2E;
    --text-main: #FFFFFF;
    --text-muted: #94A3B8;
    --accent: #8B5CF6;
    --accent-hover: #7C3AED;
    --danger: #EF4444;
    --danger-hover: #DC2626;
    --success: #10B981;
    --border: rgba(255, 255, 255, 0.1);
}

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

body.admin-body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hidden {
    display: none !important;
}

/* Typography */
.admin-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.highlight-violet {
    color: var(--accent);
}

.admin-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* Cards & Containers */
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.logo-area {
    text-align: center;
    margin-bottom: 32px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.input-group input, .search-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus, .search-input:focus {
    border-color: var(--accent);
}

/* Buttons */
button {
    cursor: pointer;
    border: none;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.primary-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

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

.secondary-btn {
    padding: 10px 16px;
    background: var(--bg-hover);
    color: white;
    border: 1px solid var(--border);
}

.secondary-btn:hover {
    background: rgba(255,255,255,0.1);
}

.outline-btn {
    padding: 8px 16px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.outline-btn:hover {
    color: white;
    border-color: white;
}

.danger-btn {
    padding: 10px 16px;
    background: var(--danger);
    color: white;
}

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

/* Alerts */
.error-msg {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Navigation */
.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.nav-badge {
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 8px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Dashboard Main */
.admin-main {
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.search-input {
    width: 250px;
    padding: 10px 16px;
}

/* Table */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: rgba(0,0,0,0.2);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    font-size: 0.95rem;
}

tr:hover {
    background: rgba(255,255,255,0.02);
}

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-banned {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.action-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}

.action-link:hover {
    text-decoration: underline;
}

.table-loading {
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-btn {
    background: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    padding: 0;
}

.close-btn:hover {
    color: white;
}

.modal-body {
    padding: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
}

.chart-container {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}

.chart-container h4 {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    text-align: center;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

/* Enhanced CRM Styles */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.kpi-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.2); }
.kpi-title { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 2rem; font-weight: 800; color: var(--text-primary); }

.modal-content.advanced { max-width: 700px; width: 95%; }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.modal-col h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 12px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.modal-col p { margin-bottom: 8px; font-size: 0.95rem; }

.topics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.topic-toggle { background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: 6px; padding: 8px; text-align: center; cursor: pointer; transition: all 0.2s ease; user-select: none; font-size: 0.85rem; }
.topic-toggle:hover { background: rgba(255,255,255,0.1); }
.topic-toggle.unlocked { background: rgba(16, 185, 129, 0.2); border-color: #10B981; color: #10B981; font-weight: bold; }
.danger-btn { background: #EF4444; color: white; border: none; border-radius: 6px; cursor: pointer; transition: 0.2s; }
.danger-btn:hover { background: #DC2626; }