*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:           #1a1e24;
    --surface:      #242b36;
    --nav-bg:       #1e2530;
    --header-bg:    #1c2230;
    --footer-bg:    #141820;
    --border:       #343d4e;
    --text:         #c8d0dc;
    --text-dim:     #6b7a90;
    --accent:       #4a8db5;
    --accent-hover: #5aa0cc;
    --danger:       #c0525a;
    --danger-hover: #d4606a;
    --ok-color:     #4a8a5a;
    --radius:       4px;
    --font:         'Segoe UI', system-ui, -apple-system, sans-serif;
}

html, body { height: 100%; }

/* ─── LAYOUT GRID ─────────────────────────────────────────────────── */
body {
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    display: grid;
    grid-template-rows: 48px 1fr 28px;
    grid-template-columns: 190px 1fr;
    grid-template-areas:
        "header  header"
        "nav     content"
        "footer  footer";
    min-height: 100vh;
}

/* Login page overrides the grid */
body.login-body {
    display: block;
}

/* ─── HEADER ───────────────────────────────────────────────────────── */
.header {
    grid-area: header;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    text-decoration: none;
    gap: 1px;
}

.header-brand {
    font-size: 9px;
    font-weight: 500;
    letter-spacing: 1.8px;
    color: var(--text-dim);
    text-transform: uppercase;
}

.header-appname {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: var(--text);
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 13px;
}

.header-user {
    color: var(--text-dim);
}

/* ─── NAV ──────────────────────────────────────────────────────────── */
.nav {
    grid-area: nav;
    background: var(--nav-bg);
    border-right: 1px solid var(--border);
    padding-top: 18px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.nav-link {
    display: block;
    padding: 10px 20px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    border-left: 3px solid transparent;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.nav-link:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--accent);
    border-left-color: var(--accent);
    background: rgba(74, 141, 181, 0.09);
}

/* ─── CONTENT ──────────────────────────────────────────────────────── */
.content {
    grid-area: content;
    padding: 28px 36px;
    overflow-y: auto;
}

/* ─── STATUS BAR ───────────────────────────────────────────────────── */
.status-bar {
    grid-area: footer;
    background: var(--footer-bg);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    font-size: 12px;
}

.status-bar .ok  { color: #6dc582; }
.status-bar .err { color: var(--danger); }

/* ─── PANEL HEADER ─────────────────────────────────────────────────── */
.panel-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 22px;
}

.panel-header h2 {
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
}

/* ─── TABLE ────────────────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    text-align: left;
    padding: 8px 12px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.data-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.data-table .members-cell {
    font-size: 12px;
    color: var(--text-dim);
    max-width: 180px;
}

.data-table .date-cell {
    font-size: 12px;
    color: var(--text-dim);
    white-space: nowrap;
}

.actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ─── BADGES ───────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.badge.active,
.badge.open     { background: rgba(74, 138, 90, 0.18);   color: #6dc582; }
.badge.inactive,
.badge.closed   { background: rgba(100, 110, 130, 0.18); color: #8a9ab0; }

/* ─── BUTTONS ──────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 16px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-family: var(--font);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
    white-space: nowrap;
}

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

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

.btn.outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
}
.btn.outline:hover { border-color: var(--accent); color: var(--accent); }

.btn.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font);
    text-decoration: none;
    padding: 0;
}
.btn-link:hover { color: var(--accent-hover); text-decoration: underline; }

/* ─── FORMS ────────────────────────────────────────────────────────── */
.form-section {
    margin-top: 36px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

/* When the form section leads the panel (no top border needed) */
.form-section.at-top {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.form-section h3 {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.list-section-heading {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
    padding: 7px 10px;
    outline: none;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group select option { background: var(--surface); }

.form-group textarea { min-height: 64px; resize: vertical; }

.form-actions { margin-top: 16px; }

.optional { color: var(--text-dim); font-size: 10px; text-transform: none; letter-spacing: 0; }

.field-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-dim);
}

/* ─── CHECKBOXES ───────────────────────────────────────────────────── */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text);
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
    cursor: pointer;
}

/* ─── ALERTS ───────────────────────────────────────────────────────── */
.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 18px;
    border: 1px solid;
}

.alert.error {
    background: rgba(192, 82, 90, 0.12);
    border-color: rgba(192, 82, 90, 0.3);
    color: #e07078;
}

.alert.success {
    background: rgba(74, 138, 90, 0.12);
    border-color: rgba(74, 138, 90, 0.3);
    color: #6dc582;
}

/* ─── EMPTY STATE ──────────────────────────────────────────────────── */
.empty-state {
    padding: 36px;
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
}

/* ─── SECTION DIVIDER ──────────────────────────────────────────────── */
.section-divider {
    height: 1px;
    background: var(--border);
    margin: 28px 0;
}

/* ─── SETTLEMENT ───────────────────────────────────────────────────── */
.settlement-controls {
    margin-bottom: 8px;
}

.open-count-label {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 14px;
}

.open-count-label strong {
    color: var(--text);
}

.settlement-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.preview-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
}

.preview-heading {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 12px;
}

.transfer-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.transfer-row:last-child { border-bottom: none; }

.transfer-arrow { color: var(--text-dim); }

.transfer-amount {
    margin-left: auto;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.3px;
}

.history-heading {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.history-batch {
    margin-bottom: 20px;
}

.history-batch-header {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

/* ─── HTMX LOADING ─────────────────────────────────────────────────── */
.loading-indicator { display: none; color: var(--text-dim); font-size: 12px; }
.htmx-request .loading-indicator { display: inline; }

/* ─── LOGIN PAGE ───────────────────────────────────────────────────── */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 40px 44px;
    width: 360px;
}

.login-brand {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.login-card h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.login-card .subtitle {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 28px;
}