:root {
    --bg: #f6efe5;
    --surface: rgba(255, 252, 247, 0.88);
    --surface-strong: #fffaf2;
    --line: rgba(72, 51, 24, 0.12);
    --text: #2f2418;
    --muted: #6e5a43;
    --accent: #dd6b20;
    --accent-strong: #b45309;
    --accent-soft: rgba(221, 107, 32, 0.12);
    --success: #0f766e;
    --shadow: 0 12px 36px rgba(102, 67, 24, 0.12);
    --radius: 16px;
    --font-display: "Space Grotesk", "Segoe UI", sans-serif;
    --font-body: "Manrope", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: var(--font-body);
    background:
        radial-gradient(circle at top left, rgba(234, 179, 8, 0.22), transparent 30%),
        radial-gradient(circle at top right, rgba(16, 185, 129, 0.16), transparent 32%),
        linear-gradient(135deg, #f7f0e4 0%, #f3ece2 45%, #efe5d7 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,0.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.16) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(circle at center, black, transparent 85%);
}

.auth-body,
.page-shell {
    position: relative;
    z-index: 1;
}

.auth-shell,
.page-shell {
    width: min(1180px, calc(100% - 16px));
    margin: 0 auto;
    padding: 10px 0 16px;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.auth-card,
.panel-card,
.metric-card,
.hero {
    backdrop-filter: blur(18px);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.auth-card {
    width: min(100%, 520px);
    border-radius: 20px;
    padding: 18px;
}

.hero {
    border-radius: 20px;
    padding: 14px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 10px;
}

.hero h1,
.auth-card h1,
.panel-card h2,
.metric-card strong {
    font-family: var(--font-display);
    margin: 0;
}

.eyebrow {
    margin: 0 0 4px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--accent-strong);
}

.muted,
.plan-item p {
    color: var(--muted);
}

.auth-form,
.stack-form {
    display: grid;
    gap: 8px;
}

label span {
    display: block;
    margin-bottom: 4px;
    font-size: 0.95rem;
}

input,
textarea,
button {
    font: inherit;
}

input,
textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(92, 61, 21, 0.14);
    background: rgba(255, 252, 247, 0.84);
    color: var(--text);
}

select {
    width: 100%;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid rgba(92, 61, 21, 0.14);
    background: rgba(255, 252, 247, 0.84);
    color: var(--text);
}

textarea {
    min-height: 78px;
    resize: vertical;
}

button,
.ghost-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    border: 0;
    border-radius: 999px;
    padding: 10px 12px;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

button {
    background: linear-gradient(135deg, var(--accent) 0%, #f59e0b 100%);
    color: white;
    font-weight: 700;
}

.ghost-button {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

button:hover,
.ghost-button:hover {
    transform: translateY(-1px);
}

.small {
    padding: 7px 10px;
}

.flash {
    padding: 8px 10px;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.12);
    color: #991b1b;
}

.metrics-grid,
.content-grid {
    display: grid;
    gap: 10px;
}

.metrics-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 10px;
}

.metric-card,
.panel-card {
    border-radius: var(--radius);
    padding: 12px;
}

.metric-card span {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
}

.metric-card strong {
    font-size: clamp(1.6rem, 3vw, 2.7rem);
}

.content-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.panel-card {
    grid-column: span 4;
}

.wide-card {
    grid-column: span 8;
}

.full-width-card {
    grid-column: 1 / -1;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.pill {
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
    color: var(--success);
    font-size: 0.86rem;
}

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

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

th,
td {
    padding: 8px 6px;
    text-align: left;
    border-bottom: 1px solid rgba(72, 51, 24, 0.08);
}

th {
    color: var(--muted);
    font-size: 0.88rem;
}

.inline-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.check-row input {
    width: auto;
}

.plan-list {
    display: grid;
    gap: 8px;
}

.drag-handle {
    cursor: grab;
    color: #aaa;
    font-size: 1.1rem;
    padding: 0 4px;
    flex-shrink: 0;
    user-select: none;
}
.drag-handle:active { cursor: grabbing; }
.plan-item.sortable-ghost { opacity: 0.4; }

.action-form {
    display: grid;
    gap: 6px;
    min-width: 112px;
}

.plan-item {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 10px;
    background: var(--surface-strong);
    border: 1px solid rgba(72, 51, 24, 0.08);
    border-radius: 12px;
}

.plan-item strong {
    display: block;
    margin-bottom: 2px;
}

.plan-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.plan-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
    justify-content: flex-end;
    align-items: center;
}

.plan-actions form {
    display: contents;
}

.plan-code {
    color: var(--muted);
    font-size: 0.8rem;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(17, 24, 39, 0.45);
    display: grid;
    place-items: center;
    padding: 16px;
}

.modal-overlay[hidden] {
    display: none !important;
    pointer-events: none;
}

.modal-card {
    width: min(560px, 100%);
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    border-radius: 18px;
    backdrop-filter: blur(18px);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 14px;
}

@media (max-width: 960px) {
    .metrics-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .panel-card,
    .wide-card {
        grid-column: auto;
    }

    .hero,
    .plan-item {
        flex-direction: column;
    }

    .plan-side {
        justify-items: start;
    }
}

@media (max-width: 640px) {
    .auth-card,
    .metric-card,
    .panel-card,
    .hero {
        border-radius: 16px;
        padding: 12px;
    }

    .inline-fields {
        grid-template-columns: 1fr;
    }
}

/* ── Tab Navigation ────────────────────────────────────────── */
.tab-nav {
    display: flex;
    gap: 4px;
    padding: 0 24px;
    border-bottom: 2px solid var(--line);
    margin-bottom: 0;
    flex-wrap: wrap;
}

.tab-btn {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    padding: 12px 20px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text);
    background: var(--accent-soft);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: transparent;
}

.tab-content {
    display: none;
}

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