/* ============================================================
   FoxKnow — Премиум стиль
   ============================================================ */

/* ---------- RESET & BASE ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0a0a1a;
    --primary-light: #1a1a3e;
    --secondary: #6c5ce7;
    --secondary-hover: #5a4bd1;
    --secondary-light: #f0edff;
    --accent: #fdcb6e;
    --success: #00b894;
    --danger: #e17055;
    --gray-50: #f9f9fc;
    --gray-100: #f1f2f6;
    --gray-200: #dfe6e9;
    --gray-300: #b2bec3;
    --gray-400: #7f8fa6;
    --gray-500: #636e72;
    --gray-600: #2d3436;
    --gray-700: #1e272e;
    --radius: 14px;
    --shadow: 0 4px 20px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-700);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ---------- LOGIN PAGE ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #f8f9fe 0%, #e8ecf8 100%);
    padding: 24px;
}

.login-card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.6);
}

.login-card .logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-card .logo img {
    height: 52px;
    width: auto;
    object-fit: contain;
    margin-bottom: 8px;
}

.login-card .logo h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.3px;
}

.login-card .logo .sub {
    color: var(--gray-400);
    font-size: 13px;
    margin-top: 2px;
}

.login-card .logo .brand-line {
    width: 48px;
    height: 3px;
    background: var(--secondary);
    margin: 14px auto 0;
    border-radius: 4px;
}

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

.login-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.login-form input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    font-size: 15px;
    transition: var(--transition);
    background: var(--gray-50);
    color: var(--gray-700);
}

.login-form input:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.12);
    background: #ffffff;
}

.login-form .btn-login {
    width: 100%;
    padding: 14px;
    background: var(--secondary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 6px;
    letter-spacing: 0.3px;
}

.login-form .btn-login:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.3);
}

.login-form .error {
    background: #fef0ed;
    color: var(--danger);
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 16px;
    border-left: 4px solid var(--danger);
}

.login-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 12px;
    color: var(--gray-400);
}

/* ---------- HEADER ---------- */
.header {
    background: #ffffff;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.92);
}

.header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header .logo img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.header .logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.3px;
}

.header .user-area {
    display: flex;
    align-items: center;
    gap: 18px;
}

.header .user-area .user-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.header .user-area .user-role {
    font-size: 12px;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 2px 14px;
    border-radius: 30px;
}

.header .user-area .btn-logout {
    background: none;
    border: 1px solid var(--gray-200);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 13px;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
}

.header .user-area .btn-logout:hover {
    background: #fef0ed;
    border-color: var(--danger);
    color: var(--danger);
}

/* ---------- SIDEBAR ---------- */
.app {
    display: flex;
    min-height: calc(100vh - 68px);
}

.sidebar {
    width: 250px;
    background: #ffffff;
    border-right: 1px solid var(--gray-200);
    padding: 20px 0;
    flex-shrink: 0;
}

.sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 450;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar .nav-item:hover {
    background: var(--gray-50);
    color: var(--gray-700);
}

.sidebar .nav-item.active {
    background: var(--secondary-light);
    color: var(--secondary);
    border-left-color: var(--secondary);
    font-weight: 500;
}

.sidebar .nav-item .icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    fill: currentColor;
}

.sidebar .nav-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 14px 24px;
}

.sidebar .nav-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--gray-400);
    padding: 8px 24px 4px;
    font-weight: 600;
}

/* ---------- MAIN CONTENT ---------- */
.main {
    flex: 1;
    padding: 32px 40px;
    max-width: calc(100% - 250px);
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.4px;
}

.page-header p {
    color: var(--gray-400);
    font-size: 14px;
    margin-top: 2px;
}

/* ---------- STATS ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 36px;
}

.stat-card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 22px 24px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.stat-card:hover {
    border-color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card .number {
    font-size: 30px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.stat-card .label {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 4px;
    font-weight: 500;
}

/* ---------- SECTION ---------- */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.section-header h2 {
    font-size: 17px;
    font-weight: 600;
    color: var(--gray-700);
}

.section-header .actions {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--secondary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--gray-500);
    border: 1px solid var(--gray-200);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

/* ---------- TABLE ---------- */
.table-wrap {
    background: #ffffff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table-wrap thead {
    background: var(--gray-50);
}

.table-wrap th {
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-500);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--gray-200);
}

.table-wrap td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.table-wrap tbody tr {
    transition: var(--transition);
}

.table-wrap tbody tr:hover {
    background: var(--gray-50);
}

.table-wrap tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- BADGES ---------- */
.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary { background: var(--secondary-light); color: var(--secondary); }
.badge-success { background: #e0f7f0; color: #00856a; }
.badge-warning { background: #fff8e6; color: #b7791e; }
.badge-danger { background: #fde8e3; color: #c0392b; }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }
.badge-info { background: #e3f0ff; color: #2d7fc1; }

/* ---------- EMPTY ---------- */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray-400);
}

.empty-state .empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .sidebar { width: 210px; }
    .main { padding: 24px; max-width: calc(100% - 210px); }
}

@media (max-width: 768px) {
    .sidebar {
        width: 68px;
        padding: 12px 0;
    }
    .sidebar .nav-item span:not(.icon) {
        display: none;
    }
    .sidebar .nav-item {
        padding: 12px 0;
        justify-content: center;
        border-left: none;
        border-bottom: 2px solid transparent;
    }
    .sidebar .nav-item.active {
        border-left: none;
        border-bottom-color: var(--secondary);
        background: transparent;
    }
    .sidebar .nav-divider { margin: 8px 12px; }
    .sidebar .nav-label { display: none; }
    .main { padding: 16px; max-width: calc(100% - 68px); }
    .header { padding: 0 16px; height: 60px; }
    .header .logo span { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 16px; }
    .stat-card .number { font-size: 22px; }
    .table-wrap { font-size: 12px; overflow-x: auto; }
    .table-wrap th, .table-wrap td { padding: 10px 12px; white-space: nowrap; }
    .section-header { flex-direction: column; align-items: stretch; gap: 12px; }
    .login-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-card .number { font-size: 18px; }
    .main { padding: 12px; max-width: calc(100% - 60px); }
    .sidebar { width: 56px; }
    .header .user-area .user-name { display: none; }
    .header .user-area .user-role { display: none; }
}