/* SipTel SBC Manager - Professional Dark Theme */
:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a2332;
    --bg-tertiary: #243447;
    --text-primary: #e8edf2;
    --text-secondary: #8899a6;
    --accent-blue: #1da1f2;
    --accent-green: #17bf63;
    --accent-red: #e0245e;
    --accent-orange: #ffad1f;
    --border-color: #2f3d4f;
    --sidebar-width: 240px;
}

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

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

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

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 18px;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.user-badge {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
}

.nav-links {
    list-style: none;
    padding: 16px 0;
    flex: 1;
}

.nav-links li a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-links li a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-links li a.active {
    color: var(--accent-blue);
    background: rgba(29, 161, 242, 0.1);
    border-left: 3px solid var(--accent-blue);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    display: block;
    text-align: center;
    padding: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s;
}

.logout-btn:hover {
    color: var(--accent-red);
    border-color: var(--accent-red);
}

/* Main Content */
.content {
    margin-left: var(--sidebar-width);
    padding: 32px;
    flex: 1;
    max-width: calc(100% - var(--sidebar-width));
}

.content-full {
    width: 100%;
    padding: 0;
}

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

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active { color: var(--accent-green) !important; }
.status-inactive, .status-error { color: var(--accent-red) !important; }
.status-pending, .status-provisioning { color: var(--accent-orange) !important; }

/* Panels */
.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 24px;
}

.panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.panel-body {
    padding: 20px;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tr:hover td {
    background: rgba(29, 161, 242, 0.03);
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 24px !important;
}

/* Log level colors */
.log-error td { color: var(--accent-red); }
.log-warn td { color: var(--accent-orange); }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-info { background: rgba(29, 161, 242, 0.15); color: var(--accent-blue); }
.badge-error { background: rgba(224, 36, 94, 0.15); color: var(--accent-red); }
.badge-warn { background: rgba(255, 173, 31, 0.15); color: var(--accent-orange); }
.badge-active { background: rgba(23, 191, 99, 0.15); color: var(--accent-green); }
.badge-pending { background: rgba(255, 173, 31, 0.15); color: var(--accent-orange); }
.badge-provisioning { background: rgba(29, 161, 242, 0.15); color: var(--accent-blue); }
.badge-inbound { background: rgba(23, 191, 99, 0.15); color: var(--accent-green); }
.badge-outbound { background: rgba(29, 161, 242, 0.15); color: var(--accent-blue); }
.badge-completed { background: rgba(23, 191, 99, 0.15); color: var(--accent-green); }
.badge-failed { background: rgba(224, 36, 94, 0.15); color: var(--accent-red); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #1a91da;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: var(--accent-red);
    color: white;
}

.btn-danger:hover {
    background: #c9204f;
}

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

.btn-full {
    width: 100%;
    text-align: center;
}

/* Forms */
.form-standard {
    max-width: 800px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group small {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.input-disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group input {
    border-radius: 6px 0 0 6px;
}

.input-suffix {
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 6px 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

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

.form-actions {
    margin-top: 24px;
    display: flex;
    gap: 12px;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 20px;
}

.flash {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 14px;
}

.flash-error {
    background: rgba(224, 36, 94, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(224, 36, 94, 0.3);
}

.flash-success {
    background: rgba(23, 191, 99, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(23, 191, 99, 0.3);
}

.flash-warning {
    background: rgba(255, 173, 31, 0.15);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 173, 31, 0.3);
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    background: var(--bg-primary);
}

.login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--accent-blue);
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

/* Setup Guide */
.setup-guide h3 {
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--accent-blue);
}

.setup-guide h3:first-child {
    margin-top: 0;
}

.setup-guide ul {
    margin-left: 20px;
    margin-bottom: 16px;
}

.setup-guide li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.setup-guide pre {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin-bottom: 16px;
}

.setup-guide code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 13px;
    color: var(--accent-green);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .content {
        margin-left: 0;
        max-width: 100%;
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        flex-direction: column;
    }
}