/* ─── Design tokens ──────────────────────────────────────────────────────────── */
:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #aeaeb2;
  --green: #30d158;
  --green-pale: #eafaf0;
  --green-text: #1a7a3a;
  --red: #ff453a;
  --red-pale: #fff5f4;
  --red-text: #c0392b;
  --blue: #0a84ff;
  --blue-pale: #e8f3ff;
  --blue-text: #0055b3;
  --orange: #ff9f0a;
  --orange-pale: #fff8e8;
  --orange-text: #a05a00;
  --border: rgba(0, 0, 0, 0.08);
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.11);
  --radius: 16px;
  --radius-sm: 8px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ─────────────────────────────────────────────────────────────────── */
.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */
header {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 14px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-link {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.logo-link:hover { text-decoration: none; opacity: 0.7; }

.header-sep { color: var(--text-muted); }
.header-title { color: var(--text-secondary); font-size: 0.95rem; }

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.badge-public {
  background: var(--green-pale);
  color: var(--green-text);
  border: 1px solid rgba(48, 209, 88, 0.25);
}
.badge-eu {
  background: #e8eeff;
  color: #003399;
  border: 1px solid rgba(0, 51, 153, 0.2);
}
.badge-fixed {
  background: var(--blue-pale);
  color: var(--blue-text);
}
.badge-variable {
  background: var(--orange-pale);
  color: var(--orange-text);
}

/* ─── Main ───────────────────────────────────────────────────────────────────── */
main { padding: 40px 0 72px; }

.intro {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

/* ─── Hero grid ──────────────────────────────────────────────────────────────── */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.hero-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.hero-value {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.hero-value.green { color: var(--green-text); }
.hero-value.red   { color: var(--red-text); }

.hero-note {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ─── Chart section ──────────────────────────────────────────────────────────── */
.chart-section {
  padding: 24px;
  margin-bottom: 28px;
}

.chart-wrap {
  width: 100%;
  overflow-x: auto;
}

.trend-svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-label {
  font-family: var(--font);
  font-size: 10px;
  fill: var(--text-muted);
}

.prerevenue-state {
  text-align: center;
  padding: 44px 20px;
}
.prerevenue-state .emoji { font-size: 2.4rem; margin-bottom: 12px; }
.prerevenue-state p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.prerevenue-state .sub {
  font-size: 0.84rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ─── Month cards ────────────────────────────────────────────────────────────── */
.month-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 10px;
  transition: box-shadow 0.18s ease;
}
.month-card:hover { box-shadow: var(--shadow-hover); }

.month-card > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  user-select: none;
  gap: 16px;
}
.month-card > summary::-webkit-details-marker { display: none; }

.month-summary-left {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  min-width: 0;
}

.month-label {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.month-kpis {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.month-kpi {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.month-kpi.positive { color: var(--green-text); }
.month-kpi.negative { color: var(--red-text); }

.month-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 0.68rem;
  transition: transform 0.2s ease;
}
.month-card[open] .month-chevron { transform: rotate(180deg); }

.month-body {
  padding: 0 22px 22px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

/* ─── Bar chart ──────────────────────────────────────────────────────────────── */
.bar-chart { margin-bottom: 18px; }

.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 7px;
}
.bar-row:last-child { margin-bottom: 0; }

.bar-label {
  width: 68px;
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-weight: 500;
  flex-shrink: 0;
  text-align: right;
}

.bar-track {
  flex: 1;
  height: 7px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.bar-mrr      { background: var(--green); }
.bar-expenses { background: var(--red); }

.bar-value {
  width: 62px;
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-weight: 500;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* ─── Expense table ──────────────────────────────────────────────────────────── */
.expense-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.expense-table th {
  text-align: left;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 14px 8px 0;
  border-bottom: 1px solid var(--border);
}
.expense-table td {
  padding: 9px 14px 9px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  vertical-align: top;
}
.expense-table tr:last-child td { border-bottom: none; }
.expense-table .amount {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  font-weight: 500;
}
.expense-table .note {
  color: var(--text-secondary);
  font-size: 0.77rem;
}

/* ─── Loading / error ────────────────────────────────────────────────────────── */
.loading-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ─── Admin — shared form elements ──────────────────────────────────────────── */
.form-group {
  margin-bottom: 12px;
}
.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-input {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.88rem;
  color: var(--text);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  appearance: none;
}
.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.12);
}
.form-input.error  { border-color: var(--red); }
.form-input.select-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236e6e73' d='M5 6L0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 30px;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, transform 0.1s;
  user-select: none;
  white-space: nowrap;
}
.btn:hover   { opacity: 0.82; }
.btn:active  { transform: scale(0.97); }

.btn-primary   { background: var(--blue); color: white; }
.btn-secondary { background: rgba(0, 0, 0, 0.07); color: var(--text); }
.btn-danger    { background: var(--red); color: white; }
.btn-success   { background: var(--green); color: white; }
.btn-sm        { padding: 6px 14px; font-size: 0.78rem; }
.btn-block     { width: 100%; }

.error-msg   { font-size: 0.78rem; color: var(--red-text);   margin-top: 6px; }
.success-msg { font-size: 0.78rem; color: var(--green-text); margin-top: 6px; }

/* ─── Admin — password gate ──────────────────────────────────────────────────── */
.admin-body { background: #f0f0f3; }

.password-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.password-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.10);
  width: 100%;
  max-width: 340px;
}

.password-card h1 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.password-card .subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ─── Admin — panel layout ───────────────────────────────────────────────────── */
.admin-panel {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.admin-header h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.admin-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 14px;
}
.admin-section h2 {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}

.config-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
}

/* ─── Admin — expense table ──────────────────────────────────────────────────── */
.editable-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.editable-table th {
  text-align: left;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 8px 8px 0;
  border-bottom: 1px solid var(--border);
}
.editable-table td {
  padding: 7px 8px 7px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  vertical-align: middle;
}
.editable-table tr:last-child td { border-bottom: none; }
.editable-table .form-input {
  padding: 6px 10px;
  font-size: 0.83rem;
}

.expenses-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0 10px;
}
.expenses-header span {
  font-size: 0.9rem;
  font-weight: 600;
}

.save-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}
.save-status {
  font-size: 0.84rem;
}

.new-month-form {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-top: 10px;
}
.new-month-grid {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 12px;
  align-items: end;
}
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
}
.checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
}
.checkbox-row label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
  margin-bottom: 0;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-value { font-size: 1.75rem; }

  .month-summary-left { flex-direction: column; gap: 4px; }
  .month-kpis { gap: 10px; }

  .config-grid { grid-template-columns: 1fr; }
  .new-month-grid { grid-template-columns: 1fr; }

  .expense-table .note { display: none; }

  .header-title { display: none; }
}