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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f0f2f5;
    color: #333;
    min-height: 100vh;
}

/* Login */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 420px;
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 4px;
    color: #1a1a1a;
}

.login-box .subtitle {
    color: #666;
    margin-bottom: 24px;
    font-size: 14px;
}

/* Navbar */
.navbar {
    background: #1a1a2e;
    color: #fff;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.nav-user {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    padding-left: 8px;
    border-left: 1px solid rgba(255,255,255,0.15);
}

/* Content */
.content-wrapper {
    width: 100%;
    height: calc(100vh - 56px);
}

.content-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

/* Cards */
.card {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}

.card h3 {
    font-size: 17px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #444;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
    background: #fafafa;
}

.form-group input:focus {
    outline: none;
    border-color: #4a6cf7;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(74,108,247,0.1);
}

.form-row {
    display: flex;
    gap: 16px;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px !important;
    margin-top: 28px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: #4a6cf7;
    color: #fff;
}

.btn-primary:hover {
    background: #3a5ce5;
}

.btn-secondary {
    background: #e8eaed;
    color: #333;
}

.btn-secondary:hover {
    background: #dadce0;
}

.btn-success {
    background: #34c759;
    color: #fff;
}

.btn-success:hover {
    background: #2db84e;
}

.btn-warning {
    background: #ff9500;
    color: #fff;
}

.btn-warning:hover {
    background: #e68600;
}

.btn-danger {
    background: #ff3b30;
    color: #fff;
}

.btn-danger:hover {
    background: #e6352b;
}

.btn-info {
    background: #0ea5e9;
    color: #fff;
}

.btn-info:hover {
    background: #0284c7;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

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

thead {
    background: #f8f9fa;
}

th {
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    color: #555;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #eee;
}

td {
    padding: 12px 14px;
    border-bottom: 1px solid #f0f0f0;
}

tr:hover {
    background: #fafbfc;
}

td.actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-admin {
    background: #ede9fe;
    color: #7c3aed;
}

.badge-user {
    background: #e0f2fe;
    color: #0284c7;
}

.badge-active {
    background: #dcfce7;
    color: #16a34a;
}

.badge-inactive {
    background: #fee2e2;
    color: #dc2626;
}

/* Logs */
.log-filter-info {
    font-size: 16px;
    font-weight: 400;
    color: #666;
}

.filter-form .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: #fafafa;
}

.filter-form .form-group input[type="date"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: #fafafa;
}

.filter-buttons {
    display: flex;
    gap: 8px;
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.text-muted {
    color: #999;
    font-weight: 400;
    font-size: 14px;
}

.text-center {
    text-align: center;
    color: #999;
    padding: 24px !important;
}

.user-agent-cell {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12px;
    color: #666;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

.page-info {
    font-size: 13px;
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .navbar {
        padding: 0 12px;
    }

    .nav-links {
        gap: 8px;
    }

    .nav-user {
        display: none;
    }

    td.actions {
        flex-direction: column;
    }

    .container {
        padding: 16px;
    }
}