:root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-muted: #f1f2f5;
    --border: #e6e8ec;
    --ink: #14181f;
    --muted: #6b7280;
    --subtle: #9aa1ac;

    --primary: #d9740b;
    --primary-dark: #b85e08;
    --primary-soft: #fdf0e0;
    --success: #15803d;
    --success-soft: #ecfdf3;
    --danger: #dc2626;
    --danger-soft: #fef2f2;
    --info: #2563eb;
    --info-soft: #eff6ff;

    --sidebar-bg: #14171c;
    --sidebar-bg-2: #1b1f26;
    --sidebar-text: #aeb4c0;
    --sidebar-text-active: #ffffff;
    --sidebar-border: rgba(255, 255, 255, .06);

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --shadow: 0 1px 3px rgba(15, 23, 42, .07), 0 8px 24px -12px rgba(15, 23, 42, .12);
    --shadow-md: 0 12px 32px -8px rgba(15, 23, 42, .16);
    --sidebar-w: 264px;
    --topbar-h: 72px;
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body {
    margin: 0;
    font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 14.5px;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--primary-soft); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d6d9de; border-radius: 99px; border: 2px solid var(--bg); }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.015em; color: var(--ink); }
h1 { margin: 0; font-size: 26px; }
h2 { margin: 0; font-size: 17px; }
h3 { margin: 0 0 4px; font-size: 14.5px; }
p { color: var(--muted); margin: 0; }

svg.icon { width: 18px; height: 18px; flex: none; }

/* ---------- Sidebar ---------- */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    background: linear-gradient(180deg, var(--sidebar-bg), var(--sidebar-bg-2));
    color: var(--sidebar-text);
    padding: calc(20px + env(safe-area-inset-top)) 14px calc(20px + env(safe-area-inset-bottom)) calc(14px + env(safe-area-inset-left));
    overflow-y: auto;
    z-index: 40;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.brand { display: flex; gap: 11px; align-items: center; padding: 6px 8px 16px; border-bottom: 1px solid var(--sidebar-border); }
.brand-icon {
    width: 38px; height: 38px; flex: none; display: block; object-fit: cover; border-radius: 50%;
    background: #fff; box-shadow: 0 2px 8px -2px rgba(0, 0, 0, .45);
}
.brand-icon.big { margin: 0 auto 14px; width: 60px; height: 60px; }
.status-icon {
    margin: 0 auto 14px; width: 56px; height: 56px; display: grid; place-items: center; font-size: 28px; border-radius: 16px;
    background: linear-gradient(135deg, #f0a847, var(--primary));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35), 0 4px 10px -2px rgba(217, 116, 11, .55);
}
.brand strong { display: block; color: #fff; font-size: 14.5px; letter-spacing: -0.01em; }
.brand span { display: block; font-size: 11.5px; color: #7d8493; margin-top: 1px; text-transform: uppercase; letter-spacing: .06em; }

.nav-scroll { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 18px; }
.nav-group-label { padding: 0 12px; margin: 0 0 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #5b6172; font-weight: 700; }
nav.nav-group { display: grid; gap: 2px; }
nav.nav-group a {
    display: flex; align-items: center; gap: 11px; padding: 9px 12px; border-radius: var(--radius-sm);
    color: var(--sidebar-text); font-size: 13.7px; font-weight: 500; position: relative; transition: background .12s, color .12s;
}
nav.nav-group a svg { opacity: .85; }
nav.nav-group a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
nav.nav-group a.active { background: var(--primary); color: #fff; font-weight: 600; box-shadow: 0 4px 12px -4px rgba(217, 116, 11, .7); }
nav.nav-group a.active svg { opacity: 1; }

.sidebar-foot { border-top: 1px solid var(--sidebar-border); padding-top: 14px; }
.sidebar-foot a { display: flex; align-items: center; gap: 11px; padding: 9px 12px; border-radius: var(--radius-sm); color: var(--sidebar-text); font-size: 13.5px; }
.sidebar-foot a:hover { background: rgba(255, 255, 255, .06); color: #fff; }

.nav-toggle, .scrim { display: none; }

/* ---------- Main / Topbar ---------- */
.main { margin-left: var(--sidebar-w); min-height: 100vh; }
.topbar {
    position: sticky; top: 0; z-index: 30;
    display: flex; justify-content: space-between; align-items: center; gap: 18px;
    padding: env(safe-area-inset-top) 30px 0; height: calc(var(--topbar-h) + env(safe-area-inset-top));
    background: rgba(245, 246, 248, .85); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }
.topbar-left h1 { font-size: 19px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-left p { display: none; }
.topbar-titles { min-width: 0; flex: 1; }
.topbar-titles p { font-size: 12.5px; margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-box { display: flex; align-items: center; gap: 10px; background: var(--surface); padding: 6px 8px 6px 6px; border: 1px solid var(--border); border-radius: 999px; box-shadow: var(--shadow-sm); flex: none; }
.avatar { width: 32px; height: 32px; border-radius: 999px; background: linear-gradient(135deg, #f0a847, var(--primary)); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.user-box .user-meta { display: grid; line-height: 1.2; }
.user-box .user-meta strong { font-size: 12.8px; }
.user-box .user-meta span { font-size: 11px; color: var(--subtle); }
.lang-switch { margin: 0; }
.lang-select {
    border: 1px solid var(--border); border-radius: 999px; padding: 6px 10px; font-size: 12.5px; font-weight: 600;
    background: var(--surface-muted); color: var(--ink); cursor: pointer; width: auto;
}
.icon-btn { border: 0; background: transparent; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 999px; color: var(--muted); cursor: pointer; }
.icon-btn:hover { background: var(--surface-muted); color: var(--ink); }
.link-btn { border: 0; background: transparent; color: var(--primary); cursor: pointer; font-weight: 700; font-size: 13px; }

.content { padding: 26px 30px calc(56px + env(safe-area-inset-bottom)); max-width: 1400px; }

/* ---------- Messages ---------- */
.messages { margin-bottom: 18px; display: grid; gap: 8px; }
.message {
    padding: 12px 14px; border-radius: var(--radius); background: var(--success-soft); color: var(--success);
    border: 1px solid #c8ecd4; font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 9px;
}

/* ---------- Cards / panels ---------- */
.panel {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 22px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.panel-head h2 { display: flex; align-items: center; gap: 9px; }

.cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }

.metric-card, .soft-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.metric-card { display: grid; gap: 8px; }
.metric-card .metric-top { display: flex; align-items: center; justify-content: space-between; }
.metric-card .metric-icon { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-dark); }
.metric-card span { display: block; color: var(--muted); font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.metric-card strong { display: block; font-size: 23px; letter-spacing: -0.02em; }
.metric-card small { color: var(--success); font-size: 12.5px; font-weight: 600; }

.soft-card h3 { font-size: 14.5px; }
.soft-card p { font-size: 13px; }

.report-tile {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 20px; box-shadow: var(--shadow-sm); display: grid; gap: 10px; min-height: 130px;
    transition: transform .12s, box-shadow .12s, border-color .12s;
}
.report-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: #f0d6b3; }
.report-tile .report-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-dark); }
.report-tile strong { font-size: 16px; }
.report-tile span { color: var(--muted); font-size: 13px; }
.report-tile .report-go { margin-top: auto; display: flex; align-items: center; gap: 6px; color: var(--primary-dark); font-weight: 700; font-size: 13px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid transparent;
    background: var(--primary); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm); cursor: pointer;
    font-weight: 600; font-size: 13.5px; transition: background .12s, box-shadow .12s, transform .05s;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .06);
}
.btn:hover { background: var(--primary-dark); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--border); }
.btn.secondary:hover { background: var(--surface-muted); }
.btn.full { width: 100%; }
.small-link { color: var(--primary-dark); font-weight: 700; font-size: 13px; }
.small-link:hover { text-decoration: underline; }
.small-link.danger { color: var(--danger); }
.row-actions { display: flex; gap: 12px; align-items: center; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13.6px; }
thead tr { position: sticky; top: 0; }
th { text-align: left; color: var(--subtle); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; background: var(--surface-muted); font-weight: 700; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th:first-child, td:first-child { padding-left: 16px; }
tbody tr:hover td { background: var(--surface-muted); }
tbody tr:last-child td { border-bottom: 0; }
.empty { text-align: center; color: var(--subtle); padding: 46px 20px; font-size: 13.5px; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.badge.success { background: var(--success-soft); color: var(--success); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.info { background: var(--info-soft); color: var(--info); }
.badge.neutral { background: var(--surface-muted); color: var(--muted); }

/* ---------- Forms ---------- */
.form-panel { max-width: 980px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
label { display: grid; gap: 6px; font-weight: 600; color: #3a3f47; font-size: 13.2px; }
label span { font-weight: 600; }
.form-control, input, select, textarea {
    width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px;
    background: var(--surface); color: var(--ink); outline: none; font-size: 13.8px; font-family: inherit;
    transition: border-color .12s, box-shadow .12s;
}
.form-control:focus, input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
input[type="checkbox"] { width: auto; }
div.form-control { display: grid; gap: 8px; }
div.form-control label { display: flex; align-items: center; gap: 8px; font-weight: 500; font-size: 13.5px; color: var(--ink); cursor: pointer; }
div.form-control label input[type="checkbox"] { width: auto; flex: none; padding: 0; margin: 0; accent-color: var(--primary); }
.form-actions, .inline-actions, .filter-form { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; margin-top: 20px; }
.period-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 14px; }
.period-tab {
    display: inline-flex; flex-direction: row; align-items: center; gap: 6px;
    padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
    font-size: 13px; cursor: pointer;
}
.period-tab input[type="radio"] { width: auto; margin: 0; accent-color: var(--primary); }
.period-tab label { display: inline; margin: 0; font-weight: 600; color: inherit; cursor: pointer; }
.period-tab:has(input:checked) { background: var(--primary); color: #fff; border-color: var(--primary); }
.period-field { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; margin: 0; }
.totals-row td { font-weight: 700; background: var(--surface-muted); }
small { color: var(--subtle); font-size: 12px; }
.error { color: var(--danger); }
.note {
    background: var(--info-soft); border: 1px solid #d3e3fc; padding: 13px 15px; border-radius: var(--radius);
    color: #1d4ed8; font-size: 13.3px; display: flex; gap: 9px; align-items: flex-start; margin-bottom: 18px;
}
input:disabled, select:disabled, textarea:disabled { background: var(--surface-muted); color: var(--subtle); cursor: not-allowed; }

.ts-wrapper { font-family: inherit; font-size: 13.8px; }
.ts-wrapper .ts-control {
    border: 1px solid var(--border) !important; border-radius: var(--radius-sm) !important;
    background: var(--surface) !important; padding: 9px 12px !important; box-shadow: none !important; min-height: unset !important;
}
.ts-wrapper.focus .ts-control { border-color: var(--primary) !important; box-shadow: 0 0 0 3px var(--primary-soft) !important; }
.ts-wrapper.disabled .ts-control { background: var(--surface-muted) !important; color: var(--subtle) !important; cursor: not-allowed !important; }
.ts-dropdown { border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-md); font-family: inherit; font-size: 13.6px; z-index: 50; }
.ts-dropdown .option { padding: 9px 12px; }
.ts-dropdown .option.active, .ts-dropdown .option:hover { background: var(--primary-soft); color: var(--primary-dark); }
.ts-dropdown .no-results { padding: 9px 12px; color: var(--subtle); }

.field-with-add { display: flex; gap: 8px; align-items: center; }
.field-with-add > select { flex: 1; }
.field-with-add > .ts-wrapper { flex: 1; min-width: 0; }
.quick-add-trigger {
    flex: none; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px;
    border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); color: var(--primary);
    cursor: pointer;
}
.quick-add-trigger:hover { background: var(--primary-soft); border-color: var(--primary); }
.quick-add-trigger:disabled { opacity: .4; cursor: not-allowed; }

.modal-overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, .55); z-index: 200; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--surface); border-radius: var(--radius-lg); padding: 22px; width: min(440px, 100%); max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-md); }
.modal-box .panel-head { margin-bottom: 16px; }
.charges-title { display: flex; align-items: center; gap: 8px; margin: 26px 0 4px; }
.charges-hint { font-size: 12.5px; margin-bottom: 14px; }
.charge-table th:last-child, .charge-table td:last-child { width: 90px; }
.charge-table th:first-child, .charge-table td:first-child { min-width: 170px; }
.charge-table select, .charge-table input { margin: 0; }
.delete-row { display: flex; align-items: center; gap: 6px; font-weight: 500; color: var(--danger); font-size: 12.5px; cursor: pointer; }
.delete-row input { width: auto; }
.activity-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.activity-list li { padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 13.3px; color: var(--ink); }
.activity-list li:last-child { border-bottom: 0; }

/* ---------- Login ---------- */
.login-body {
    min-height: 100vh; display: grid; place-items: center; margin: 0;
    background: radial-gradient(circle at top, #1f242c, var(--sidebar-bg) 60%);
    padding: calc(20px + env(safe-area-inset-top)) calc(20px + env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom)) calc(20px + env(safe-area-inset-left));
}
.login-card { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px 30px; box-shadow: var(--shadow-md); text-align: center; }
.login-card h1 { font-size: 21px; }
.login-card > p { margin-top: 6px; font-size: 13.5px; }
.login-card form { display: grid; gap: 14px; text-align: left; margin-top: 24px; }
.signup-card { max-height: 92vh; overflow-y: auto; }
.login-foot { margin-top: 16px; font-size: 13px; color: var(--muted); }
.login-foot a { color: var(--primary); font-weight: 600; }

@media (max-width: 1100px) {
    .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s ease; box-shadow: var(--shadow-md); }
    body.nav-open .sidebar { transform: translateX(0); }
    body.nav-open .scrim { display: block; position: fixed; inset: 0; background: rgba(15, 17, 21, .5); z-index: 35; }
    .main { margin-left: 0; }
    .nav-toggle {
        display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--radius-sm);
        border: 1px solid var(--border); background: var(--surface); color: var(--ink); cursor: pointer; flex: none;
    }
    .content { padding: 16px 16px calc(40px + env(safe-area-inset-bottom)); }
    .topbar { padding: env(safe-area-inset-top) 16px 0; gap: 10px; }
    .form-grid { grid-template-columns: 1fr; }
    .cards { grid-template-columns: 1fr 1fr; }

    /* Comfortable >=44px touch targets and no iOS Safari input-zoom-on-focus
       (triggered whenever a focused input's font-size is under 16px). */
    .icon-btn { width: 40px; height: 40px; }
    .quick-add-trigger { width: 44px; height: 44px; }
    nav.nav-group a, .sidebar-foot a { padding: 11px 12px; }
    .form-control, input, select, textarea { font-size: 16px; padding: 11px 12px; }
    .ts-wrapper, .ts-wrapper .ts-control { font-size: 16px !important; }
    .btn { padding: 12px 16px; }
    .period-tab { padding: 10px 14px; }
    .charge-table th:last-child, .charge-table td:last-child { width: 108px; }
    .charge-table input, .charge-table select { padding: 11px 6px; }

    /* User identity is the least essential header element on a phone-width
       screen - drop it before anything truncates or wraps awkwardly. */
    .user-box .user-meta { display: none; }
}
@media (max-width: 480px) {
    .cards { grid-template-columns: 1fr; }
    .content { padding: 14px 14px calc(36px + env(safe-area-inset-bottom)); }
    .topbar { padding: env(safe-area-inset-top) 14px 0; }
    .topbar-left h1 { font-size: 17px; }
    .panel { padding: 16px; border-radius: var(--radius); }
    .modal-box { padding: 18px; }
    .form-actions, .inline-actions, .filter-form { flex-direction: column; align-items: stretch; }
    .form-actions .btn, .inline-actions .btn { width: 100%; }
    .user-box { padding: 5px; gap: 6px; }
    .lang-select { padding: 6px 8px; font-size: 11.5px; }
}