/* ==========================================================================
   PHP Server Monitor — modern theme
   Loaded after bootstrap.min.css + style.min.css so it wins the cascade.
   ========================================================================== */

:root {
    --psm-primary: #4f46e5;
    --psm-primary-dark: #4338ca;
    --psm-primary-soft: #eef2ff;

    --psm-success: #16a34a;
    --psm-success-soft: #ecfdf5;
    --psm-warning: #f59e0b;
    --psm-warning-soft: #fffbeb;
    --psm-danger: #dc2626;
    --psm-danger-soft: #fef2f2;
    --psm-info: #0891b2;
    --psm-info-soft: #ecfeff;

    --psm-slate-900: #0f172a;
    --psm-slate-800: #1e293b;
    --psm-slate-700: #334155;
    --psm-slate-500: #64748b;
    --psm-slate-400: #94a3b8;
    --psm-slate-200: #e2e8f0;
    --psm-slate-100: #f1f5f9;
    --psm-slate-50: #f8fafc;

    --psm-radius: 0.65rem;
    --psm-radius-sm: 0.5rem;
    --psm-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.06);
    --psm-shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.12);
    --psm-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
body {
    font-family: var(--psm-font);
    background: var(--psm-slate-100);
    color: var(--psm-slate-800);
    padding-top: 4.75rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--psm-slate-900);
    letter-spacing: -0.01em;
}

main.container {
    padding-top: 1rem;
}

.psm-page-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.psm-header-tools {
    align-items: center;
    margin-bottom: 0.75rem;
}

a {
    color: var(--psm-primary);
}

a:hover {
    color: var(--psm-primary-dark);
}

.text-muted {
    color: var(--psm-slate-500) !important;
}

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.navbar.psm-navbar {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #312e81 130%);
    box-shadow: 0 2px 20px rgba(15, 23, 42, 0.35);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 4.25rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar.psm-navbar .navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: #fff;
}

.psm-brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 0.6rem;
    background: linear-gradient(135deg, var(--psm-primary) 0%, #7c3aed 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.45);
}

.psm-brand-icon .svg-inline--fa {
    height: 1.05em;
}

.navbar.psm-navbar .nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.72) !important;
    border-radius: 0.5rem;
    padding-left: 0.85rem !important;
    padding-right: 0.85rem !important;
}

.navbar.psm-navbar .nav-link:hover,
.navbar.psm-navbar .nav-link:focus {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.08);
}

.navbar.psm-navbar .nav-item.active .nav-link {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.12);
}

.navbar.psm-navbar .dropdown-menu {
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius-sm);
    box-shadow: var(--psm-shadow-lg);
    padding: 0.4rem;
}

.navbar.psm-navbar .dropdown-item {
    border-radius: 0.4rem;
    padding: 0.5rem 0.85rem;
    font-weight: 500;
}

.navbar.psm-navbar .dropdown-item:hover {
    background: var(--psm-primary-soft);
    color: var(--psm-primary);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    border-radius: var(--psm-radius-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease, border-color 0.12s ease;
}

.btn:active,
.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--psm-primary) 0%, #6366f1 100%);
    border-color: var(--psm-primary);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:not(:disabled):not(.disabled):active {
    background: linear-gradient(135deg, var(--psm-primary-dark) 0%, #4f46e5 100%);
    border-color: var(--psm-primary-dark);
    box-shadow: 0 6px 18px rgba(79, 70, 229, 0.45);
}

.btn-success {
    background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
    border-color: var(--psm-success);
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.32);
}

.btn-success:hover,
.btn-success:focus,
.btn-success:not(:disabled):not(.disabled):active {
    background: linear-gradient(135deg, #15803d 0%, #16a34a 100%);
    border-color: #15803d;
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    border-color: var(--psm-danger);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.32);
}

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:not(:disabled):not(.disabled):active {
    background: linear-gradient(135deg, #b91c1c 0%, #dc2626 100%);
    border-color: #b91c1c;
}

.btn-secondary {
    background: #fff;
    border-color: var(--psm-slate-200);
    color: var(--psm-slate-700);
    box-shadow: var(--psm-shadow);
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:not(:disabled):not(.disabled):active {
    background: var(--psm-slate-50);
    border-color: var(--psm-slate-200);
    color: var(--psm-slate-900);
}

.btn-secondary.active {
    background: var(--psm-primary-soft);
    border-color: var(--psm-primary);
    color: var(--psm-primary);
}

.btn-group-sm .btn {
    border-radius: 0.45rem;
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-control,
.custom-select {
    border-radius: var(--psm-radius-sm);
    border-color: var(--psm-slate-200);
    padding: 0.55rem 0.8rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.custom-select:focus {
    border-color: var(--psm-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.18);
}

label {
    font-weight: 600;
    color: var(--psm-slate-700);
}

.form-text {
    color: var(--psm-slate-500);
}

legend {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--psm-slate-900);
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--psm-slate-200);
    margin-bottom: 1rem;
}

fieldset {
    background: #fff;
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--psm-shadow);
}

/* --------------------------------------------------------------------------
   Tabs (config page)
   -------------------------------------------------------------------------- */
.nav-tabs {
    border-bottom: 1px solid var(--psm-slate-200);
    margin-bottom: 1.25rem;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--psm-slate-500);
    font-weight: 600;
    margin-right: 0.5rem;
    border-radius: 0;
}

.nav-tabs .nav-link:hover {
    border: none;
    border-bottom: 2px solid var(--psm-slate-200);
    color: var(--psm-slate-700);
}

.nav-tabs .nav-link.active {
    border: none;
    border-bottom: 2px solid var(--psm-primary);
    color: var(--psm-primary);
    background: transparent;
}

.tab-content {
    padding: 0;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius);
    box-shadow: var(--psm-shadow);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    overflow: hidden;
}

.card-header {
    background: var(--psm-slate-50);
    border-bottom: 1px solid var(--psm-slate-200);
    font-weight: 700;
    color: var(--psm-slate-800);
    padding: 0.85rem 1.15rem;
}

.card-header:first-child {
    border-radius: calc(var(--psm-radius) - 1px) calc(var(--psm-radius) - 1px) 0 0;
}

.list-group-item {
    border-color: var(--psm-slate-200);
    padding: 0.75rem 1.15rem;
}

.card.bg-success,
.card.bg-warning,
.card.bg-danger,
.card.bg-primary {
    border: none;
    color: #fff;
    box-shadow: var(--psm-shadow-lg);
}

.card.bg-success .card-header,
.card.bg-warning .card-header,
.card.bg-danger .card-header,
.card.bg-primary .card-header {
    background: rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Alerts
   -------------------------------------------------------------------------- */
.alert {
    border-radius: var(--psm-radius-sm);
    border: none;
    box-shadow: var(--psm-shadow);
}

.alert-success {
    background: var(--psm-success-soft);
    color: #15803d;
    border-left: 4px solid var(--psm-success);
}

.alert-danger {
    background: var(--psm-danger-soft);
    color: #b91c1c;
    border-left: 4px solid var(--psm-danger);
}

.alert-warning {
    background: var(--psm-warning-soft);
    color: #b45309;
    border-left: 4px solid var(--psm-warning);
}

.alert-info {
    background: var(--psm-info-soft);
    color: #0e7490;
    border-left: 4px solid var(--psm-info);
}

[dir='rtl'] .alert-success,
[dir='rtl'] .alert-danger,
[dir='rtl'] .alert-warning,
[dir='rtl'] .alert-info {
    border-left: none;
    border-right: 4px solid currentColor;
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table {
    color: var(--psm-slate-700);
}

.table thead th {
    background: var(--psm-slate-50);
    border-bottom: 2px solid var(--psm-slate-200);
    color: var(--psm-slate-500);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    vertical-align: middle;
}

.table-bordered {
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius-sm);
}

.table-hover tbody tr:hover {
    background: var(--psm-primary-soft);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--psm-slate-50);
}

.table-responsive {
    border-radius: var(--psm-radius-sm);
    box-shadow: var(--psm-shadow);
}

/* Color-coded table rows (list layout) */
.table .bg-success,
.table .bg-warning,
.table .bg-danger {
    box-shadow: inset 4px 0 0 rgba(255, 255, 255, 0.55);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
    border-radius: 999px;
    font-weight: 600;
    padding: 0.4em 0.7em;
}

/* --------------------------------------------------------------------------
   Dropdown menus
   -------------------------------------------------------------------------- */
.dropdown-menu {
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius-sm);
    box-shadow: var(--psm-shadow-lg);
    padding: 0.4rem;
}

.dropdown-item {
    border-radius: 0.4rem;
    padding: 0.5rem 0.85rem;
    font-weight: 500;
    color: var(--psm-slate-700);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--psm-primary-soft);
    color: var(--psm-primary);
}

.dropdown-item.text-danger,
.dropdown-item .fa-trash {
    color: var(--psm-danger);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: #fff;
    border-top: 1px solid var(--psm-slate-200);
    color: var(--psm-slate-500);
    height: 3.5rem;
    line-height: 3.5rem;
    box-shadow: 0 -2px 10px rgba(15, 23, 42, 0.03);
}

/* --------------------------------------------------------------------------
   Color utility overrides (Bootstrap emits these with !important)
   -------------------------------------------------------------------------- */
.bg-primary { background-color: var(--psm-primary) !important; }
.bg-success { background-color: var(--psm-success) !important; }
.bg-warning { background-color: var(--psm-warning) !important; }
.bg-danger  { background-color: var(--psm-danger) !important; }
.bg-info    { background-color: var(--psm-info) !important; }

.text-primary { color: var(--psm-primary) !important; }
.text-success { color: var(--psm-success) !important; }
.text-warning { color: #d97706 !important; }
.text-danger  { color: var(--psm-danger) !important; }
.text-info    { color: var(--psm-info) !important; }

/* --------------------------------------------------------------------------
   Status dashboard — summary stat bar
   -------------------------------------------------------------------------- */
.psm-stat-row {
    margin-bottom: 1.25rem;
}

.psm-stat {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background: #fff;
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius);
    padding: 1rem 1.15rem;
    box-shadow: var(--psm-shadow);
    height: 100%;
}

.psm-stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 2.75rem;
    border-radius: 0.75rem;
    font-size: 1.2rem;
}

.psm-stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
}

.psm-stat-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--psm-slate-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 0.2rem;
}

.psm-stat.is-online .psm-stat-icon { background: var(--psm-success-soft); color: var(--psm-success); }
.psm-stat.is-online .psm-stat-value { color: var(--psm-success); }
.psm-stat.is-warning .psm-stat-icon { background: var(--psm-warning-soft); color: #d97706; }
.psm-stat.is-warning .psm-stat-value { color: #d97706; }
.psm-stat.is-offline .psm-stat-icon { background: var(--psm-danger-soft); color: var(--psm-danger); }
.psm-stat.is-offline .psm-stat-value { color: var(--psm-danger); }

/* --------------------------------------------------------------------------
   Status dashboard — server cards
   -------------------------------------------------------------------------- */
.psm-status-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius);
    box-shadow: var(--psm-shadow);
    padding: 1rem 1.15rem;
    height: 100%;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.psm-status-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
}

.psm-status-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--psm-shadow-lg);
}

.psm-status-card.is-offline::before { background: var(--psm-danger); }
.psm-status-card.is-warning::before { background: var(--psm-warning); }
.psm-status-card.is-online::before  { background: var(--psm-success); }

[dir='rtl'] .psm-status-card::before {
    inset: 0 0 0 auto;
}

.psm-status-top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}

.psm-status-dot {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    flex: 0 0 0.6rem;
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
}

.psm-status-card.is-offline .psm-status-dot { background: var(--psm-danger); }
.psm-status-card.is-warning .psm-status-dot { background: var(--psm-warning); }
.psm-status-card.is-online .psm-status-dot { background: var(--psm-success); }

.psm-status-card.is-online .psm-status-dot {
    animation: psm-pulse 2s infinite;
}

@keyframes psm-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5); }
    70%  { box-shadow: 0 0 0 8px rgba(22, 163, 74, 0); }
    100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

.psm-status-title {
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--psm-slate-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-height: 0 !important;
    min-width: 0 !important;
}

.psm-status-title:hover {
    color: var(--psm-primary);
    text-decoration: none;
}

.psm-status-body {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex: 1;
}

.psm-status-icon {
    font-size: 1.9rem;
    line-height: 1;
}

.psm-status-card.is-offline .psm-status-icon { color: var(--psm-danger); }
.psm-status-card.is-warning .psm-status-icon { color: #d97706; }
.psm-status-card.is-online  .psm-status-icon { color: var(--psm-success); }

.psm-status-meta {
    font-size: 0.84rem;
    color: var(--psm-slate-500);
    line-height: 1.55;
}

.psm-status-meta b {
    color: var(--psm-slate-700);
    font-weight: 600;
}

.psm-status-state {
    display: inline-flex;
    align-items: center;
    margin-top: 0.7rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    align-self: flex-start;
}

.psm-status-card.is-offline .psm-status-state { background: var(--psm-danger-soft); color: var(--psm-danger); }
.psm-status-card.is-warning .psm-status-state { background: var(--psm-warning-soft); color: #b45309; }
.psm-status-card.is-online  .psm-status-state { background: var(--psm-success-soft); color: var(--psm-success); }

/* --------------------------------------------------------------------------
   Panels (generic content wrapper)
   -------------------------------------------------------------------------- */
.psm-panel {
    background: #fff;
    border: 1px solid var(--psm-slate-200);
    border-radius: var(--psm-radius);
    box-shadow: var(--psm-shadow);
    padding: 1.25rem;
}

/* --------------------------------------------------------------------------
   Search bar
   -------------------------------------------------------------------------- */
.searchbar {
    position: relative;
    max-width: 340px;
}

.searchbar .search_input {
    width: 100%;
    border-radius: 999px;
    border: 1px solid var(--psm-slate-200);
    padding: 0.55rem 2.75rem 0.55rem 1.1rem;
    background: #fff;
    box-shadow: var(--psm-shadow);
}

.searchbar .search_input:focus {
    outline: none;
    border-color: var(--psm-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.18);
}

.searchbar .search_icon {
    position: absolute;
    right: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--psm-slate-400);
}

/* --------------------------------------------------------------------------
   Login page
   -------------------------------------------------------------------------- */
.form-signin,
.form-forgot,
.form-reset {
    max-width: 26rem;
}

.psm-login-card {
    background: #fff;
    border: 1px solid var(--psm-slate-200);
    border-radius: 1rem;
    box-shadow: var(--psm-shadow-lg);
    padding: 2.25rem 2rem;
    margin-top: 2rem;
}

.psm-login-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--psm-primary) 0%, #7c3aed 100%);
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
    margin-bottom: 1.1rem;
}

/* --------------------------------------------------------------------------
   Server detail page — status banner
   -------------------------------------------------------------------------- */
.card.bg-success .fa-check-circle,
.card.bg-warning .fa-exclamation-triangle,
.card.bg-danger .fa-times-circle,
.card .fa-question-circle {
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.18));
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 575.98px) {
    body {
        padding-top: 4.5rem;
    }

    .psm-stat-value {
        font-size: 1.3rem;
    }

    fieldset {
        padding: 1rem;
    }
}