:root {
    --bg: #f4f1ea;
    --bg-accent: #efe6d8;
    --surface: #ffffff;
    --surface-muted: #fbf7f1;
    --border: #e4ddcf;
    --text: #1f1b16;
    --muted: #6f6a60;
    --accent: #2f6d4f;
    --accent-strong: #24553f;
    --accent-warm: #c76a2d;
    --accent-cool: #3a6ea5;
    --danger: #b83b3b;
    --shadow: 0 16px 40px rgba(31, 27, 22, 0.08);
    --radius: 18px;
    --radius-sm: 10px;
    --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

* {
    box-sizing: border-box;
}

html,
body {
    padding: 0;
    margin: 0;
}

body.app-body {
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top left, #fff8eb, transparent 55%),
        radial-gradient(circle at 20% 20%, #f3e4d0, transparent 45%),
        linear-gradient(120deg, var(--bg), var(--bg-accent));
    min-height: 100vh;
}

h1,
h2,
h3,
h4 {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    margin: 0 0 0.6rem 0;
    letter-spacing: -0.02em;
}

p {
    margin: 0;
}

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

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
    background: rgba(248, 243, 236, 0.85);
    border-bottom: 1px solid rgba(228, 221, 207, 0.7);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.1rem 0;
}

.brand {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    color: var(--muted);
    transition: 0.2s ease;
}

.nav-link.active,
.nav-link:hover {
    color: var(--text);
    background: rgba(47, 109, 79, 0.12);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.page {
    padding: 2rem 0 3.5rem;
}

.flash {
    margin: 1.2rem 0 0;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid;
    font-size: 0.95rem;
}

.flash.success {
    background: #e6f6ee;
    border-color: #b5e3cc;
    color: #1b4d34;
}

.flash.error {
    background: #fde9e9;
    border-color: #f1b7b7;
    color: #742222;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0 2rem;
}

.kpi {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 1rem 1.2rem;
    box-shadow: var(--shadow);
}

.kpi span {
    display: block;
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.kpi strong {
    display: block;
    font-family: var(--mono);
    font-size: 1.2rem;
    margin-top: 0.4rem;
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 1.4rem;
    box-shadow: var(--shadow);
}

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

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.card-subtitle {
    color: var(--muted);
    font-size: 0.9rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.space-between {
    justify-content: space-between;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(111, 106, 96, 0.12);
    color: var(--muted);
}

.badge.positive {
    background: rgba(47, 109, 79, 0.18);
    color: var(--accent);
}

.badge.negative {
    background: rgba(184, 59, 59, 0.15);
    color: var(--danger);
}

.badge.cool {
    background: rgba(58, 110, 165, 0.15);
    color: var(--accent-cool);
}

.btn {
    border: none;
    border-radius: 999px;
    padding: 0.55rem 1.1rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s ease;
    background: var(--accent);
    color: white;
}

.btn:hover {
    background: var(--accent-strong);
}

.btn-secondary {
    background: var(--accent-cool);
}

.btn-secondary:hover {
    background: #2c5a87;
}

.btn-warm {
    background: var(--accent-warm);
}

.btn-warm:hover {
    background: #a95725;
}

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

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.6);
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    background: #9b2e2e;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
}

.input,
.select,
.textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface-muted);
    font-size: 0.9rem;
    color: var(--text);
}

.input.mono {
    font-family: var(--mono);
}

.mono {
    font-family: var(--mono);
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: rgba(47, 109, 79, 0.7);
    box-shadow: 0 0 0 3px rgba(47, 109, 79, 0.12);
}

.select-sm {
    width: auto;
    min-width: 115px;
    padding: 0.35rem 0.5rem;
    font-size: 0.78rem;
}

.form-grid {
    display: grid;
    gap: 0.8rem;
}

.tabs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tab {
    border: 1px solid transparent;
    background: rgba(47, 109, 79, 0.08);
    color: var(--text);
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: 0.2s ease;
}

.tab.active {
    background: var(--accent);
    color: white;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table th,
.table td {
    padding: 0.7rem 0.6rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.table th {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.table td.mono {
    font-family: var(--mono);
}

.scroll-x {
    overflow-x: auto;
}

.scroll-y {
    overflow-y: auto;
}

.list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.list-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--border);
}

.list-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.link-muted {
    color: var(--muted);
    font-size: 0.85rem;
}

.link-muted:hover {
    color: var(--text);
}

.section-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.is-hidden {
    display: none;
}

.collapse-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--muted);
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0.2rem 0;
}

.collapse-toggle:hover {
    color: var(--text);
}

.section-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 0;
}

.login-shell {
    min-height: calc(100vh - 80px);
    display: grid;
    place-items: center;
    padding: 2rem 0 4rem;
}

.login-card {
    width: min(420px, 92vw);
    padding: 2.2rem;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.chart-card canvas {
    width: 100% !important;
    height: auto !important;
}

@media (max-width: 720px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav {
        width: 100%;
        justify-content: flex-start;
    }

    .nav-actions {
        width: 100%;
        justify-content: flex-start;
    }
}