:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --bg-input: #1a1a26;
    --border-color: #2a2a3a;
    --accent: #53fc18;
    --accent-dim: #3dba12;
    --accent-glow: rgba(83, 252, 24, 0.15);
    --text-primary: #e8e8ed;
    --text-secondary: #8888a0;
    --danger: #ff4757;
    --warning: #ffa502;
    --info: #3b82f6;
    --sidebar-width: 240px;
}

* { box-sizing: border-box; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    margin: 0;
}

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #000;
    font-weight: 800;
}

.sidebar-brand .brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.sidebar-brand .brand-sub {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    padding: 8px 12px 6px;
    margin-top: 8px;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 2px;
}

.sidebar-nav .nav-link:hover {
    background: var(--accent-glow);
    color: var(--accent);
}

.sidebar-nav .nav-link.active {
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 600;
}

.sidebar-nav .nav-link i {
    font-size: 18px;
    width: 22px;
    text-align: center;
}

.sidebar-user {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-user .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
}

.sidebar-user .user-name {
    font-size: 13px;
    font-weight: 600;
}

.sidebar-user .btn-logout {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-user .btn-logout:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 32px 40px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 4px 0 0;
}

/* ===== CARDS ===== */
.k-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.k-card:hover {
    border-color: #3a3a4a;
}

.k-card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.k-card-body {
    padding: 20px;
}

/* ===== STAT CARDS ===== */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.stat-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 12px;
}

.stat-card .stat-icon.green { background: rgba(83, 252, 24, 0.1); color: var(--accent); }
.stat-card .stat-icon.blue { background: rgba(59, 130, 246, 0.1); color: var(--info); }
.stat-card .stat-icon.orange { background: rgba(255, 165, 2, 0.1); color: var(--warning); }
.stat-card .stat-icon.red { background: rgba(255, 71, 87, 0.1); color: var(--danger); }

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* ===== FORMS ===== */
.form-control, .form-select {
    background: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 8px !important;
    padding: 10px 14px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-glow) !important;
    outline: none;
}

.form-control::placeholder {
    color: #555568 !important;
}

.form-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* ===== BUTTONS ===== */
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--accent-glow);
    color: #000;
}

.btn-accent:disabled {
    opacity: 0.5;
    transform: none;
    box-shadow: none;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-ghost:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-danger-sm {
    background: transparent;
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger);
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger-sm:hover {
    background: var(--danger);
    color: #fff;
}

.btn-primary-sm {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--info);
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary-sm:hover {
    background: var(--info);
    color: #fff;
}

/* ===== STATUS BADGES ===== */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-status.running {
    background: rgba(83, 252, 24, 0.1);
    color: var(--accent);
    border: 1px solid rgba(83, 252, 24, 0.2);
}

.badge-status.stopped {
    background: rgba(136, 136, 160, 0.1);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.badge-status.ok {
    background: rgba(83, 252, 24, 0.1);
    color: var(--accent);
}

.badge-status.expired {
    background: rgba(255, 165, 2, 0.1);
    color: var(--warning);
}

.badge-status.none {
    background: rgba(136, 136, 160, 0.1);
    color: var(--text-secondary);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(83, 252, 24, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(83, 252, 24, 0); }
}

/* ===== LOG AREA ===== */
.log-area {
    background: #0a0a0f;
    border-radius: 0 0 12px 12px;
    padding: 16px 20px;
    height: 400px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--accent);
    white-space: pre-wrap;
    word-break: break-all;
}

.log-area::-webkit-scrollbar {
    width: 6px;
}

.log-area::-webkit-scrollbar-track {
    background: transparent;
}

.log-area::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* ===== TABLE ===== */
.k-table {
    width: 100%;
    border-collapse: collapse;
}

.k-table th {
    padding: 12px 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.k-table td {
    padding: 12px 20px;
    font-size: 14px;
    border-bottom: 1px solid rgba(42, 42, 58, 0.5);
}

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

.k-table tr:hover td {
    background: var(--bg-card-hover);
}

/* ===== ALERTS ===== */
.k-alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

.k-alert.success {
    background: rgba(83, 252, 24, 0.08);
    border: 1px solid rgba(83, 252, 24, 0.2);
    color: var(--accent);
}

.k-alert.info {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--info);
}

.k-alert .close-btn {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    opacity: 0.5;
    cursor: pointer;
    font-size: 18px;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== ACCOUNT CARD ===== */
.account-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 12px;
    transition: border-color 0.2s;
}

.account-card:hover {
    border-color: #3a3a4a;
}

.account-card .account-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.account-card .account-name {
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.account-card .account-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== LOGIN PAGE ===== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
}

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

.login-card .login-logo .logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #000;
    font-weight: 800;
    margin-bottom: 16px;
}

.login-card .login-logo h2 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
    margin: 0;
}

.login-card .login-logo p {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 4px 0 0;
}

/* ===== TOGGLE SWITCH ===== */
.k-switch {
    position: relative;
    width: 44px;
    height: 24px;
}

.k-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.k-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border-color);
    border-radius: 24px;
    transition: 0.3s;
}

.k-switch .slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

.k-switch input:checked + .slider {
    background: var(--accent);
}

.k-switch input:checked + .slider:before {
    transform: translateX(20px);
}

/* ===== RESPONSIVE ===== */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 24px 16px;
        padding-top: 60px;
    }
    .mobile-toggle {
        display: block;
    }
}