:root {
    --ink: #14212b;
    --ink-soft: #3d5160;
    --muted: #6b7f8e;
    --line: rgba(20, 33, 43, 0.1);
    --line-strong: rgba(20, 33, 43, 0.16);
    --surface: rgba(255, 255, 255, 0.78);
    --surface-solid: #f7fafb;
    --panel: #ffffff;
    --accent: #0e8f7d;
    --accent-deep: #0a6b5d;
    --accent-soft: rgba(14, 143, 125, 0.12);
    --warn: #c47b17;
    --danger: #c23b3b;
    --ok: #1f8a4c;
    --sidebar: #101820;
    --sidebar-text: #c5d0d8;
    --sidebar-active: #ffffff;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 1px 0 rgba(20, 33, 43, 0.04), 0 12px 32px rgba(20, 33, 43, 0.06);
    --font: "Figtree", "Segoe UI", sans-serif;
    --font-display: "Sora", "Figtree", sans-serif;
    --font-weight-display: 600;
    --sidebar-w: 260px;
}

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

html { scroll-behavior: smooth; }

body.app-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    color: var(--ink);
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(14, 143, 125, 0.16), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(36, 99, 140, 0.12), transparent 50%),
        linear-gradient(180deg, #eef4f6 0%, #e7eef2 100%);
    background-attachment: fixed;
}

body.app-body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(20, 33, 43, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 33, 43, 0.035) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    z-index: 0;
}

a { color: var(--accent-deep); text-decoration: none; }
a:hover { color: var(--accent); }

/* Shell */
.app-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    min-height: 100vh;
}

.app-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    background:
        linear-gradient(175deg, #15202a 0%, #101820 55%, #0c141c 100%);
    color: var(--sidebar-text);
    padding: 1.35rem 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.35rem 0.55rem 1.4rem;
    color: #fff;
    text-decoration: none;
}

.brand:hover { color: #fff; }

.brand-mark {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 11px;
    background:
        linear-gradient(145deg, #1db89f 0%, #0e8f7d 55%, #0a6b5d 100%);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.brand-mark svg { width: 1.15rem; height: 1.15rem; fill: #fff; }

.brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.brand-tag {
    font-size: 0.72rem;
    color: rgba(197, 208, 216, 0.75);
    margin-top: 0.15rem;
}

.side-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.side-nav a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.85rem;
    border-radius: 11px;
    color: var(--sidebar-text);
    font-weight: 500;
    font-size: 0.94rem;
    transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.side-nav a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.side-nav a.active {
    background: linear-gradient(90deg, rgba(14, 143, 125, 0.28), rgba(14, 143, 125, 0.08));
    color: var(--sidebar-active);
    box-shadow: inset 3px 0 0 var(--accent);
}

.side-nav .nav-ico {
    width: 1.15rem;
    opacity: 0.85;
    flex-shrink: 0;
}

.side-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.user-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.65rem 0.55rem;
}

.user-meta {
    min-width: 0;
}

.user-meta .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(197, 208, 216, 0.65);
}

.user-meta .name {
    color: #fff;
    font-weight: 600;
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: transparent;
    color: #d7e0e6;
    border-radius: 9px;
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 150ms ease, border-color 150ms ease;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
}

/* Main */
.app-main {
    min-width: 0;
    padding: 1.75rem 1.75rem 3rem;
}

.app-main.wide { padding-left: 1.25rem; padding-right: 1.25rem; }

.page-enter {
    animation: riseIn 420ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

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

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.35rem;
}

.page-kicker {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-deep);
    margin-bottom: 0.35rem;
}

.page-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.55rem, 2vw, 1.9rem);
    letter-spacing: -0.03em;
    margin: 0;
    color: var(--ink);
    line-height: 1.15;
}

.page-sub {
    margin: 0.4rem 0 0;
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 48rem;
}

/* Panels / surfaces */
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.95rem 1.15rem;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #fbfcfd, #f5f8fa);
}

.panel-header h2,
.panel-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.panel-body { padding: 1.15rem; }

.panel-footer {
    padding: 0.85rem 1.15rem;
    border-top: 1px solid var(--line);
    background: #fafcfd;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Stat grid */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.25rem;
}

.stat {
    position: relative;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.05rem 1.1rem 1.15rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    min-height: 108px;
    transition: transform 180ms ease, border-color 180ms ease;
}

.stat::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    opacity: 0.85;
}

.stat:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
}

.stat-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.45rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    line-height: 1.25;
    word-break: break-word;
}

.stat-foot {
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--muted);
}

/* Buttons */
.btn-app,
.btn.btn-primary,
button.btn-primary {
    --bs-btn-bg: var(--accent);
    --bs-btn-border-color: var(--accent);
    --bs-btn-hover-bg: var(--accent-deep);
    --bs-btn-hover-border-color: var(--accent-deep);
    --bs-btn-active-bg: var(--accent-deep);
    --bs-btn-active-border-color: var(--accent-deep);
    --bs-btn-font-weight: 650;
    border-radius: 10px !important;
    letter-spacing: -0.01em;
}

.btn-outline-secondary,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-primary {
    border-radius: 10px !important;
    font-weight: 600;
}

.btn-ghost {
    appearance: none;
    border: 1px solid var(--line-strong);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink);
    border-radius: 10px;
    padding: 0.5rem 0.9rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 150ms ease, border-color 150ms ease;
}

.btn-ghost:hover {
    background: #fff;
    border-color: var(--ink-soft);
    color: var(--ink);
}

.btn-accent {
    appearance: none;
    border: none;
    background: linear-gradient(180deg, #17a792, var(--accent));
    color: #fff;
    border-radius: 10px;
    padding: 0.55rem 1.05rem;
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 8px 18px rgba(14, 143, 125, 0.22);
    transition: transform 150ms ease, filter 150ms ease;
}

.btn-accent:hover {
    color: #fff;
    filter: brightness(1.03);
    transform: translateY(-1px);
}

/* Forms */
.form-control,
.form-select {
    border-radius: 10px !important;
    border-color: var(--line-strong) !important;
    padding: 0.6rem 0.8rem;
    background: #fff;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-soft) !important;
}

.form-label {
    font-weight: 600;
    font-size: 0.84rem;
    color: var(--ink-soft);
}

.form-check-input {
    width: 1.15rem;
    height: 1.15rem;
    margin-top: 0.12rem;
    cursor: pointer;
    border-width: 1.5px;
}

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--accent-soft);
    border-color: var(--accent);
}

/* Tables */
.table-app,
.table {
    --bs-table-bg: transparent;
    margin-bottom: 0;
}

.table thead th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    font-weight: 700;
    border-bottom-color: var(--line) !important;
    background: #f7fafb;
}

.table td {
    vertical-align: middle;
    border-color: var(--line) !important;
    color: var(--ink);
}

.table-hover tbody tr:hover {
    background: rgba(14, 143, 125, 0.04);
}

/* Badges */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.55rem;
    border-radius: 7px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: capitalize;
}

.badge-status.ok { background: rgba(31, 138, 76, 0.12); color: var(--ok); }
.badge-status.bad { background: rgba(194, 59, 59, 0.12); color: var(--danger); }
.badge-status.warn { background: rgba(196, 123, 23, 0.14); color: var(--warn); }
.badge-status.neutral { background: rgba(107, 127, 142, 0.14); color: var(--ink-soft); }

.badge.text-bg-success { background: rgba(31, 138, 76, 0.12) !important; color: var(--ok) !important; border-radius: 7px; }
.badge.text-bg-danger { background: rgba(194, 59, 59, 0.12) !important; color: var(--danger) !important; border-radius: 7px; }
.badge.text-bg-warning { background: rgba(196, 123, 23, 0.14) !important; color: var(--warn) !important; border-radius: 7px; }
.badge.text-bg-light { border-radius: 7px; }

/* Alerts */
.alert {
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: none;
}

.alert-success { background: rgba(31, 138, 76, 0.08); border-color: rgba(31, 138, 76, 0.2); color: #145c32; }
.alert-danger { background: rgba(194, 59, 59, 0.08); border-color: rgba(194, 59, 59, 0.22); color: #7a2222; }
.alert-warning { background: rgba(196, 123, 23, 0.1); border-color: rgba(196, 123, 23, 0.25); color: #7a4a0d; }
.alert-secondary { background: rgba(107, 127, 142, 0.1); }

/* Bootstrap card bridge */
.card {
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    background: var(--panel);
}

.card-header {
    background: linear-gradient(180deg, #fbfcfd, #f5f8fa) !important;
    border-bottom: 1px solid var(--line) !important;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
}

.card-footer {
    background: #fafcfd !important;
    border-top: 1px solid var(--line) !important;
}

.shadow-sm { box-shadow: var(--shadow) !important; }

/* Mobile topbar */
.mobile-top {
    display: none;
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(10px);
    background: rgba(16, 24, 32, 0.92);
    color: #fff;
    padding: 0.75rem 1rem;
    align-items: center;
    justify-content: space-between;
}

.mobile-top .brand-name { font-size: 0.95rem; }

.menu-toggle {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: transparent;
    color: #fff;
    border-radius: 9px;
    padding: 0.4rem 0.7rem;
    font-weight: 600;
    font-size: 0.82rem;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 16, 22, 0.45);
    z-index: 45;
}

/* Auth pages */
.auth-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    color: var(--ink);
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background:
        radial-gradient(900px 500px at 15% 10%, rgba(14, 143, 125, 0.22), transparent 55%),
        radial-gradient(800px 480px at 90% 90%, rgba(36, 99, 140, 0.18), transparent 50%),
        linear-gradient(160deg, #0f1a22 0%, #183040 45%, #0e8f7d 160%);
}

.auth-shell {
    width: min(440px, 100%);
    animation: riseIn 500ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.auth-brand {
    text-align: center;
    color: #fff;
    margin-bottom: 1.35rem;
}

.auth-brand .brand-mark {
    margin: 0 auto 0.9rem;
    width: 3rem;
    height: 3rem;
    border-radius: 14px;
}

.auth-brand h1 {
    font-family: var(--font-display);
    font-size: 1.55rem;
    letter-spacing: -0.03em;
    margin: 0;
}

.auth-brand p {
    margin: 0.45rem 0 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.95rem;
}

.auth-panel {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 18px;
    padding: 1.4rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

/* Databases page tweaks */
.db-toolbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: linear-gradient(180deg, #fbfcfd, #f5f8fa) !important;
    border-bottom: 1px solid var(--line) !important;
}

.db-table thead th {
    background: #f7fafb !important;
}

.db-table tbody tr.selected-row {
    background-color: rgba(14, 143, 125, 0.08) !important;
}

.db-letter-bar .btn {
    border-radius: 8px !important;
}

.db-name {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 0.86rem;
}

/* Utilities */
.text-soft { color: var(--muted) !important; }
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.86rem; }

@media (max-width: 1200px) {
    .stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .app-shell { grid-template-columns: 1fr; }
    .mobile-top { display: flex; }
    .app-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: min(280px, 86vw);
        z-index: 50;
        transform: translateX(-105%);
        transition: transform 220ms ease;
    }
    .app-sidebar.open { transform: translateX(0); }
    .sidebar-backdrop.show { display: block; }
    .app-main { padding: 1.1rem 1rem 2.5rem; }
    .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
    .stat-grid { grid-template-columns: 1fr; }
}