/* ==========================================================================
   Painel VPN v2 — CSS Tema Escuro
   ========================================================================== */

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

:root {
    --bg-dark: #1a1a2e;
    --bg-card: #16213e;
    --bg-accent: #0f3460;
    --color-highlight: #e94560;
    --color-text: #e0e0e0;
    --color-text-muted: #8892a4;
    --color-text-dim: #5a6478;
    --color-border: #2a3a5c;
    --color-success: #00c853;
    --color-danger: #ff1744;
    --color-warning: #ffc107;
    --color-info: #3498db;
    --sidebar-width: 220px;
    --header-height: 60px;
    --radius: 8px;
    --transition: 0.2s ease;
}

html { font-size: 14px; }
body {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg-dark);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
}
a { color: var(--color-info); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
    background: rgba(255,255,255,0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: "SF Mono", "Fira Code", monospace;
}

/* --- Layout --- */
.layout { display: flex; min-height: 100vh; }

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}
.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--color-border);
}
.sidebar-title { font-size: 1.1rem; font-weight: 700; color: #fff; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--color-text-muted);
    transition: all var(--transition);
    text-decoration: none;
    border-left: 3px solid transparent;
}
.nav-item:hover {
    color: #fff;
    background: rgba(255,255,255,0.04);
    text-decoration: none;
}
.nav-item.active {
    color: var(--color-highlight);
    background: rgba(233,69,96,0.08);
    border-left-color: var(--color-highlight);
}
.sidebar-footer { padding: 12px 0; border-top: 1px solid var(--color-border); }
.sidebar-user {
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}
.logout-link { color: var(--color-danger) !important; }

/* --- Main content --- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}
.main-header {
    height: var(--header-height);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
    background: var(--bg-card);
}
.main-header h1 { font-size: 1.3rem; font-weight: 600; color: #fff; }
.header-actions { display: flex; gap: 8px; align-items: center; }
.content { padding: 24px; flex: 1; }

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 20px;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h2 { font-size: 1rem; font-weight: 600; color: #fff; }
.card-body { padding: 20px; }

/* --- Stats grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon-blue { background: rgba(52,152,219,0.15); color: var(--color-info); }
.stat-icon-green { background: rgba(0,200,83,0.15); color: var(--color-success); }
.stat-icon-red { background: rgba(255,23,68,0.15); color: var(--color-danger); }
.stat-icon-yellow { background: rgba(255,193,7,0.15); color: var(--color-warning); }
.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: #fff; line-height: 1.2; }
.stat-label { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 2px; }

/* --- Tables --- */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th {
    padding: 10px 16px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    background: rgba(0,0,0,0.15);
    border-bottom: 1px solid var(--color-border);
}
.table td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 0.9rem;
}
.table tbody tr:hover { background: rgba(255,255,255,0.02); }
.table tbody tr.row-revoked { opacity: 0.5; }
.actions-cell { display: flex; gap: 6px; flex-wrap: nowrap; }

/* --- Badges --- */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.status-up { background: rgba(0,200,83,0.15); color: var(--color-success); }
.status-down { background: rgba(255,23,68,0.15); color: var(--color-danger); }
.status-unknown { background: rgba(255,193,7,0.15); color: var(--color-warning); }

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    background: var(--bg-accent);
    color: var(--color-text-muted);
}

.tipo-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}
.tipo-tecnico { background: rgba(52,152,219,0.15); color: var(--color-info); }
.tipo-equipe { background: rgba(155,89,182,0.15); color: #9b59b6; }

/* --- SSH status dot --- */
.ssh-status {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}
.ssh-ok { background: var(--color-success); }
.ssh-none { background: var(--color-text-dim); }
.ssh-fail { background: var(--color-danger); }

/* --- Log badges --- */
.log-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-accent);
    color: var(--color-text-muted);
}
.log-login { background: rgba(52,152,219,0.15); color: var(--color-info); }
.log-cliente { background: rgba(0,200,83,0.15); color: var(--color-success); }
.log-provedor { background: rgba(255,193,7,0.15); color: var(--color-warning); }
.log-download { background: rgba(155,89,182,0.15); color: #9b59b6; }
.log-erro { background: rgba(255,23,68,0.15); color: var(--color-danger); }
.log-ssh { background: rgba(52,152,219,0.15); color: var(--color-info); }
.log-instalacao { background: rgba(52,152,219,0.15); color: var(--color-info); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--color-highlight); color: #fff; }
.btn-primary:hover { background: #d63a55; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}
.btn-outline:hover { background: rgba(255,255,255,0.05); color: #fff; }
.btn-danger {
    background: rgba(255,23,68,0.15);
    color: var(--color-danger);
    border: 1px solid rgba(255,23,68,0.3);
}
.btn-danger:hover { background: rgba(255,23,68,0.25); }
.btn-success {
    background: rgba(0,200,83,0.15);
    color: var(--color-success);
    border: 1px solid rgba(0,200,83,0.3);
}
.btn-sm { padding: 4px 10px; font-size: 0.78rem; }
.btn-full { width: 100%; justify-content: center; }

/* --- Forms --- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 8px 12px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-highlight);
    box-shadow: 0 0 0 2px rgba(233,69,96,0.15);
}
.form-group input::placeholder { color: var(--color-text-dim); }
.form-help { font-size: 0.75rem; color: var(--color-text-dim); }
.form-actions { margin-top: 24px; display: flex; gap: 10px; }
.form-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-highlight);
    margin-top: 16px;
    margin-bottom: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    grid-column: 1 / -1;
}

/* --- Filter bar --- */
.filter-bar { padding: 16px 20px; }
.filter-form { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.filter-form .form-group { min-width: 160px; }

/* --- Alerts --- */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: rgba(255,23,68,0.12); border: 1px solid rgba(255,23,68,0.25); color: #ff1744; }
.alert-success { background: rgba(0,200,83,0.12); border: 1px solid rgba(0,200,83,0.25); color: #00c853; }
.alert-info { background: rgba(52,152,219,0.12); border: 1px solid rgba(52,152,219,0.25); color: #3498db; }
.alert-warning { background: rgba(255,193,7,0.12); border: 1px solid rgba(255,193,7,0.25); color: #ffc107; }

/* --- Detail list --- */
.detail-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 20px;
    align-items: start;
}
.detail-list {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px 12px;
}
.detail-list dt {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding-top: 2px;
}
.detail-list dd { font-size: 0.9rem; }

/* --- Monitor page --- */
.monitor-section { margin-bottom: 28px; }
.monitor-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}
.tunnel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.tunnel-card {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.tunnel-card.tunnel-up { border-left: 3px solid var(--color-success); }
.tunnel-card.tunnel-down { border-left: 3px solid var(--color-danger); }
.tunnel-info { flex: 1; }
.tunnel-name { font-weight: 600; color: #fff; font-size: 0.95rem; }
.tunnel-detail { font-size: 0.8rem; color: var(--color-text-muted); }
.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}
.client-card {
    background: rgba(0,0,0,0.15);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 12px;
}
.client-card-name { font-weight: 600; color: #fff; }
.client-card-info { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 4px; }

/* --- Conexoes page --- */
.conn-dot {
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    margin-right: 4px;
    vertical-align: middle;
}
.conn-dot-online {
    background: var(--color-success);
    box-shadow: 0 0 6px rgba(0,200,83,0.5);
    animation: connPulse 2s ease-in-out infinite;
}
@keyframes connPulse {
    0%, 100% { box-shadow: 0 0 4px rgba(0,200,83,0.4); }
    50% { box-shadow: 0 0 10px rgba(0,200,83,0.8); }
}
.conn-pulse {
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--color-text-dim);
    transition: background 0.3s;
}
.conn-pulse-active { background: var(--color-success); box-shadow: 0 0 8px rgba(0,200,83,0.6); }
.conn-new { animation: connNewRow 1s ease; }
@keyframes connNewRow {
    from { background: rgba(0,200,83,0.15); }
    to { background: transparent; }
}

/* --- Provisioning log --- */
.prov-log { display: flex; flex-direction: column; gap: 6px; }
.prov-log-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    background: rgba(0,0,0,0.15);
    border-left: 3px solid var(--color-border);
}
.prov-log-ok { border-left-color: var(--color-success); }
.prov-log-error { border-left-color: var(--color-danger); background: rgba(255,23,68,0.08); }
.prov-log-warning { border-left-color: var(--color-warning); background: rgba(255,193,7,0.08); }
.prov-log-info { border-left-color: var(--color-info); }
.prov-log-running { border-left-color: var(--color-info); }
.prov-icon { font-size: 1.1rem; width: 20px; text-align: center; flex-shrink: 0; }
.prov-log-ok .prov-icon { color: var(--color-success); }
.prov-log-error .prov-icon { color: var(--color-danger); }
.prov-log-warning .prov-icon { color: var(--color-warning); }
.prov-log-info .prov-icon { color: var(--color-info); }

/* --- Modal --- */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6); z-index: 1000;
    display: flex; align-items: center; justify-content: center;
}
.modal-content {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 12px; width: 500px; max-width: 95vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px; border-bottom: 1px solid var(--border-color);
}
.modal-header h3 { font-size: 1.1rem; font-weight: 600; }
.modal-close {
    background: none; border: none; color: var(--text-secondary);
    font-size: 1.5rem; cursor: pointer; padding: 0 4px;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; }
.modal-body .form-group { margin-bottom: 16px; }
.modal-body label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 4px; color: var(--text-secondary); }
.modal-body input, .modal-body select {
    width: 100%; padding: 8px 12px; background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color); border-radius: 6px;
    color: var(--text-primary); font-size: 0.9rem;
}
.modal-body select { cursor: pointer; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 10px;
    padding: 16px 20px; border-top: 1px solid var(--border-color);
}

/* --- Badges --- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.8rem; font-weight: 500; }
.badge-info { background: rgba(0,176,255,0.15); color: #00b0ff; }
.badge-secondary { background: rgba(255,255,255,0.1); color: var(--text-secondary); }
.badge-success { background: rgba(0,200,83,0.15); color: #00c853; }
.badge-danger { background: rgba(255,23,68,0.15); color: #ff1744; }

/* --- OSPF --- */
.ospf-section-header {
    font-size: 1.1rem; font-weight: 700; color: var(--text-primary);
    padding: 8px 0 12px; margin-bottom: 12px;
    border-bottom: 2px solid var(--color-info);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.ospf-summary { font-size: 0.85rem; color: var(--text-secondary); }
.ospf-count-up { color: #00c853; font-weight: 600; }
.ospf-count-total { font-weight: 600; }
.ospf-badge-count {
    background: rgba(255,255,255,0.1); color: var(--text-secondary);
    padding: 2px 10px; border-radius: 12px; font-size: 0.8rem; font-weight: 600;
}
.ospf-dot {
    display: inline-block; width: 10px; height: 10px; border-radius: 50%;
    vertical-align: middle; margin-right: 4px;
}
.ospf-dot-up { background: #00c853; box-shadow: 0 0 6px rgba(0,200,83,0.5); }
.ospf-dot-down { background: #ff1744; box-shadow: 0 0 6px rgba(255,23,68,0.5); }
.ospf-dot-warn { background: #ffc107; box-shadow: 0 0 6px rgba(255,193,7,0.5); }
.ospf-search {
    width: 100%; padding: 8px 12px; background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color); border-radius: 8px;
    color: var(--text-primary); font-size: 0.9rem; margin-bottom: 12px;
}
.ospf-two-col {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px;
}
@media (max-width: 900px) { .ospf-two-col { grid-template-columns: 1fr; } }
.ospf-networks-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}
.ospf-network-card {
    background: rgba(255,255,255,0.03); border: 1px solid var(--border-color);
    border-radius: 8px; padding: 10px 14px; text-align: center;
}
.ospf-network-card code { font-size: 0.9rem; color: var(--color-info); }

/* Tabela compacta */
.table-compact { font-size: 0.88rem; }
.table-compact th, .table-compact td { padding: 8px 12px; }

/* Remotos - lista expandivel */
.ospf-peer-row:hover { background: rgba(255,255,255,0.03); }
.ospf-detail-row td { background: rgba(0,176,255,0.03); }
.ospf-detail-content { padding: 16px 20px; }
.ospf-detail-grid {
    display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px;
}
@media (max-width: 1000px) { .ospf-detail-grid { grid-template-columns: 1fr; } }
.ospf-detail-title {
    font-size: 0.8rem; font-weight: 600; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.3px;
    margin-bottom: 8px; padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}
.ospf-detail-item {
    display: flex; align-items: center; gap: 8px;
    padding: 4px 0; font-size: 0.88rem;
}
.ospf-detail-sub { color: var(--text-secondary); font-size: 0.82rem; }
.ospf-detail-scroll { max-height: 250px; overflow-y: auto; }
.ospf-detail-empty { color: var(--text-secondary); font-size: 0.85rem; padding: 6px 0; }

.empty-state {
    text-align: center; color: var(--text-secondary); padding: 30px 0;
}

/* --- Btn small --- */
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

/* --- Login page --- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-dark);
}
.login-container { width: 100%; max-width: 400px; padding: 20px; }
.login-box {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-header h1 { font-size: 1.5rem; color: #fff; margin-top: 12px; }
.login-header p { color: var(--color-text-muted); font-size: 0.85rem; margin-top: 4px; }
.login-box .form-group { margin-bottom: 16px; }
.login-box .btn { margin-top: 8px; }

/* --- Toast notifications --- */
#toast-container {
    position: fixed;
    top: 20px; right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    animation: toastIn 0.3s ease, toastOut 0.3s ease 3s forwards;
    max-width: 360px;
}
.toast-success { background: rgba(0,200,83,0.9); color: #fff; }
.toast-error { background: rgba(255,23,68,0.9); color: #fff; }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* --- Spinner --- */
.spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn-loading { display: inline-flex; align-items: center; gap: 8px; }

/* --- Utilities --- */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.8rem; }
.text-nowrap { white-space: nowrap; }
.mt-1 { margin-top: 8px; }

/* --- Responsive --- */
@media (max-width: 900px) {
    .sidebar { width: 60px; }
    .sidebar-title, .nav-item span, .sidebar-user span { display: none; }
    .nav-item { justify-content: center; padding: 12px; }
    .main-content { margin-left: 60px; }
    .detail-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .stats-grid { grid-template-columns: 1fr; }
    .filter-form { flex-direction: column; align-items: stretch; }
}