:root {
    --bg: #f4f6fb;
    --bg-elevated: rgba(255, 255, 255, 0.82);
    --bg-strong: rgba(255, 255, 255, 0.96);
    --text: #162033;
    --muted: #5f6c82;
    --line: rgba(22, 32, 51, 0.1);
    --primary: #0f7bff;
    --primary-strong: #0059c8;
    --secondary: #ecf3ff;
    --danger: #d9485f;
    --success: #059669;
    --warning: #c27b1a;
    --shadow: 0 24px 80px rgba(23, 36, 64, 0.12);
}

[data-theme='dark'] {
    --bg: #07111f;
    --bg-elevated: rgba(13, 23, 39, 0.84);
    --bg-strong: rgba(12, 20, 34, 0.94);
    --text: #e8eefb;
    --muted: #94a2bc;
    --line: rgba(157, 177, 212, 0.16);
    --primary: #64b1ff;
    --primary-strong: #8dc5ff;
    --secondary: rgba(100, 177, 255, 0.16);
    --danger: #ff6d88;
    --success: #31c48d;
    --warning: #f5b14f;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Segoe UI", "Trebuchet MS", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(15, 123, 255, 0.15), transparent 38%),
        radial-gradient(circle at right 20%, rgba(217, 72, 95, 0.12), transparent 32%),
        var(--bg);
    color: var(--text);
}

body {
    position: relative;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

.ambient {
    position: fixed;
    inset: auto;
    width: 32rem;
    height: 32rem;
    filter: blur(80px);
    border-radius: 999px;
    opacity: 0.28;
    pointer-events: none;
}

.ambient-one {
    top: -12rem;
    right: -8rem;
    background: #0f7bff;
}

.ambient-two {
    bottom: -10rem;
    left: -10rem;
    background: #ff7a59;
}

.shell {
    position: relative;
    width: min(1320px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.25rem 0 2rem;
}

.topbar,
.panel-card,
.login-card,
.login-panel,
.stat-card,
.flash {
    backdrop-filter: blur(18px);
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: 1.4rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
}

.brand strong {
    display: block;
    font-size: 0.98rem;
}

.brand small {
    display: block;
    color: var(--muted);
    margin-top: 0.15rem;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--primary), #6fd6ff);
    color: white;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page {
    padding-top: 1.25rem;
}

.hero,
.grid,
.login-shell {
    display: grid;
    gap: 1.25rem;
}

.hero {
    grid-template-columns: 1.25fr 1fr;
    margin-bottom: 1.25rem;
}

.eyebrow {
    margin: 0 0 0.65rem;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 800;
}

.hero-title {
    margin: 0;
    font-size: clamp(2.1rem, 4vw, 3.6rem);
    line-height: 1.02;
}

.hero-copy {
    max-width: 62ch;
    margin-top: 1rem;
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.7;
}

.stats-grid,
.env-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.stat-card {
    border-radius: 1.3rem;
    padding: 1.15rem;
}

.stat-card span {
    color: var(--muted);
    display: block;
    margin-bottom: 0.65rem;
}

.stat-card strong {
    font-size: 2rem;
}

.grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 1.25rem;
}

.panel-card,
.login-card,
.login-panel {
    border-radius: 1.5rem;
    padding: 1.25rem;
}

.card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-head h2,
.card-head h3,
.action-item h3,
.env-card h3 {
    margin: 0;
}

.subtle {
    margin: 0.35rem 0 0;
    color: var(--muted);
    line-height: 1.5;
}

.env-card,
.action-item,
.feature-item {
    border: 1px solid var(--line);
    background: var(--bg-strong);
    border-radius: 1.15rem;
    padding: 1rem;
}

.env-card-head,
.action-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.meta-list {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
}

.meta-list span {
    display: block;
    color: var(--muted);
    font-size: 0.84rem;
    margin-bottom: 0.22rem;
}

.action-stack,
.feature-stack,
.stack-form {
    display: grid;
    gap: 1rem;
}

.action-item.critical {
    border-color: rgba(217, 72, 95, 0.26);
}

.btn {
    appearance: none;
    border: none;
    border-radius: 999px;
    padding: 0.86rem 1.15rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease;
}

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

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    color: white;
    background: linear-gradient(135deg, var(--primary), #22a5ff);
}

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

.btn-danger {
    color: white;
    background: linear-gradient(135deg, var(--danger), #ff8f7a);
}

.btn-ghost {
    color: var(--text);
    background: transparent;
    border: 1px solid var(--line);
}

.btn-block {
    width: 100%;
}

.theme-toggle,
.user-chip,
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--bg-strong);
}

.theme-toggle {
    cursor: pointer;
    color: var(--text);
}

.pill-success {
    color: var(--success);
}

.pill-warning {
    color: var(--warning);
}

.pill-danger {
    color: var(--danger);
}

.status-dot {
    width: 0.58rem;
    height: 0.58rem;
    border-radius: 999px;
    display: inline-block;
}

.status-ready {
    background: var(--success);
}

.flash {
    margin-bottom: 1rem;
    padding: 0.95rem 1.05rem;
    border-radius: 1rem;
}

.flash-success {
    border-color: rgba(5, 150, 105, 0.25);
}

.flash-error {
    border-color: rgba(217, 72, 95, 0.32);
}

.compact {
    margin-bottom: 1rem;
}

.table-shell {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: 0.92rem 0.75rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.empty-state {
    border: 1px dashed var(--line);
    border-radius: 1rem;
    padding: 1rem;
    color: var(--muted);
}

.login-shell {
    grid-template-columns: 1.2fr 0.9fr;
    align-items: stretch;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.form-group {
    display: grid;
    gap: 0.45rem;
}

.form-group span {
    font-weight: 700;
}

.form-input {
    width: 100%;
    padding: 0.92rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--line);
    background: var(--bg-strong);
    color: var(--text);
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--muted);
}

.footer {
    color: var(--muted);
    text-align: center;
    padding-top: 1.25rem;
    font-size: 0.92rem;
}

@media (max-width: 1080px) {
    .hero,
    .grid-two,
    .login-shell {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .shell {
        width: min(100% - 1rem, 100%);
    }

    .topbar,
    .topbar-actions,
    .action-item,
    .env-card-head {
        flex-direction: column;
        align-items: stretch;
    }

    .stats-grid,
    .env-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.2rem;
    }
}