/* === Design tokens === */
:root {
  --bg: #12161A;
  --surface: #1B2126;
  --border: #2A3138;
  --text: #E7EBEE;
  --text-dim: #8B96A1;
  --accent: #4fa8d8c7;
  --accent-neutral: #969da585;
  --danger: #D9736D;
  --profit: #4FA85C;
  --partial: rgba(224, 163, 57, 0.16);
  --ok-bg: rgba(79, 168, 216, 0.10);
  --danger-bg: rgba(217, 115, 109, 0.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: 0 16px 16px;
}

h1 { font-size: 20px; font-weight: 500; margin: 0 0 16px; }
h2 { font-size: 16px; font-weight: 500; margin: 0 0 12px; }
h3 { font-size: 14px; font-weight: 500; color: var(--text-dim); margin: 0 0 10px; }

/* === Navigation === */
.tab-bar {
  position: sticky; top: 0; z-index: 50; background: var(--bg);
  display: flex; align-items: center; gap: 4px;
  border-bottom: 1px solid var(--border); padding: 12px 0; margin: 0 -16px 20px;
  padding-left: 16px; padding-right: 16px;
}
.tab-bar a { color: var(--text-dim); text-decoration: none; font-size: 14px; padding: 6px 12px; border-radius: 6px; }
.tab-bar a.active { color: var(--bg); background: var(--accent); }
.tab-bar a:not(.active):hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }

.nav-links { display: flex; align-items: center; gap: 4px; }

.hamburger-btn {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 8px; margin-right: 4px;
  flex-direction: column; justify-content: center; gap: 4px;
}
.hamburger-btn span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; }

/* === User menu (dropdown) === */
.user-menu { position: relative; margin-left: auto; }
.user-menu-btn {
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer;
  color: var(--text-dim); font-size: 14px; padding: 6px 12px; border-radius: 6px; font-family: inherit;
}
.user-menu-btn:hover { background: var(--surface); }
.user-menu-btn .chevron { font-size: 10px; transition: transform 0.2s ease; }
.user-menu.open .user-menu-btn .chevron { transform: rotate(180deg); }

.user-menu-dropdown {
  display: none;
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  min-width: 170px; padding: 6px; box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.user-menu.open .user-menu-dropdown { display: block; }
.user-menu-dropdown a, .user-menu-dropdown button {
  display: block; width: 100%; text-align: left;
  padding: 8px 10px; border-radius: 6px; border: none; background: none;
  color: var(--text); font-size: 14px; font-family: inherit; cursor: pointer; text-decoration: none;
}
.user-menu-dropdown a:hover, .user-menu-dropdown button:hover { background: var(--bg); }
.user-menu-dropdown .logout-form { margin: 0; }

/* === Mobile slide-in menu === */
@media (max-width: 699px) {
  .hamburger-btn { display: flex; }
  .nav-links {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
    background: var(--surface); border-right: 1px solid var(--border);
    flex-direction: column; align-items: stretch; gap: 2px;
    width: 220px; padding: 70px 12px 16px;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { padding: 10px 12px; color: var(--text); }

  .nav-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 30;
    background: rgba(0,0,0,0.5);
  }
  .nav-overlay.open { display: block; }
}

/* === Messages (toast notifications) === */
.messages-block {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
  pointer-events: none;
}
.msg {
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.35s ease, transform 0.35s ease;
  pointer-events: auto;
}
.msg.success { color: var(--accent); border-color: var(--accent); }
.msg.error { color: var(--danger); border-color: var(--danger); }
.msg.fade-out { opacity: 0; transform: translateX(16px); }

/* === Centered card layout (standalone forms) === */
.center-wrap {
  min-height: calc(100vh - 56px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px 16px;
}
.card { width: 100%; max-width: 380px; }
.card h1 { text-align: center; }

/* === Forms === */
.field { margin-bottom: 16px; }
label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 4px; }
input, select, textarea {
  padding: 10px 12px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 15px; font-family: ui-monospace, monospace;
}
.field input, .field select, .field textarea {
  width: 100%;
}
.errors { color: var(--danger); font-size: 13px; margin-bottom: 16px; }
.submit-btn {
  width: 100%; padding: 14px; margin-top: 8px;
  background: var(--accent); color: var(--bg); border: none; border-radius: 8px;
  font-size: 16px; font-weight: 500; cursor: pointer;
}
.checkbox-field { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.checkbox-field input { width: auto; }
.checkbox-field label { margin: 0; font-size: 14px; color: var(--text); }

select.combo { padding: 6px 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 13px; }

/* === Tables === */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 500; font-size: 12px; }
td.num, th.num { font-family: ui-monospace, monospace; text-align: right; }
.empty { color: var(--text-dim); padding: 24px 0; text-align: center; }
a.row-link { color: var(--text); text-decoration: none; }
a.row-link:hover { color: var(--accent); }
tr.partial { background: var(--partial); }
tr.partial:hover { background: var(--partial); filter: brightness(1.15); }
.badge-partial { font-size: 11px; color: #E0A339; margin-left: 6px; }
tr.status-active { background: var(--ok-bg); }
tr.status-inactive { background: var(--danger-bg); }

/* === Buttons (small, inline) === */
.delete-btn { background: none; border: 1px solid var(--danger); color: var(--danger); border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.pay-btn { background: none; border: 1px solid var(--accent); color: var(--accent); border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.export-btn { flex: 1; text-align: center; padding: 10px 8px; border: 1px solid var(--accent); color: var(--accent); border-radius: 6px; text-decoration: none; font-size: 13px; font-weight: 500; }
.export-btn:hover { background: rgba(79, 168, 216, 0.1); }

/* === Pagination === */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 16px 0; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; text-decoration: none; color: var(--text); }
.pagination a:hover { background: var(--surface); }
.pagination .current { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.pagination .disabled { color: var(--text-dim); }

/* === Filter bar / sub-tabs === */
.filter-bar { margin-bottom: 16px; }
.filter-bar select { padding: 8px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 14px; }
.sub-tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.sub-tabs a { color: var(--text-dim); text-decoration: none; font-size: 14px; padding: 6px 14px; border-radius: 6px; border: 1px solid var(--border); }
.sub-tabs a.active { color: var(--bg); background: var(--accent); border-color: var(--accent); }

/* === Quick actions (home / entry-only dashboard) === */
.quick-actions { display: grid; gap: 12px; max-width: 380px; margin-top: 8px; }
.quick-actions a { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 16px; color: var(--text); text-decoration: none; font-size: 15px; }
.quick-actions a:hover { border-color: var(--accent); }

/* === Home landing (2-button centered) === */
.home-wrap { min-height: calc(100vh - 56px); display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.home-actions { display: grid; gap: 16px; width: 100%; max-width: 360px; }
.home-actions a {
  display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 24px; color: var(--text); text-decoration: none; font-size: 17px; text-align: center; font-weight: 500;
}
.home-actions a:hover { border-color: var(--accent); }

/* === Detail pages (invoice_detail etc.) === */
.wrap { max-width: 640px; margin: 0 auto; }
.back-link { display: inline-block; color: var(--accent); text-decoration: none; font-size: 14px; margin-bottom: 16px; }
.info-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.info-row .label { color: var(--text-dim); }
.info-row .value { font-family: ui-monospace, monospace; text-align: right; }
.notes-box { background: var(--surface); border-radius: 8px; padding: 14px; margin: 16px 0; font-size: 14px; white-space: pre-wrap; }
.subtitle { font-size: 13px; color: var(--text-dim); margin-bottom: 20px; }
.total-card { background: var(--surface); border-radius: 8px; padding: 16px; margin-bottom: 24px; max-width: 260px; }
.total-card .label { font-size: 12px; color: var(--text-dim); }
.total-card .value { font-size: 24px; font-family: ui-monospace, monospace; }
.tables-row { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.table-col { flex: 1 1 380px; min-width: 0; }
.remaining { text-align: center; font-size: 24px; font-family: ui-monospace, monospace; margin-bottom: 20px; }
.meta { font-size: 13px; color: var(--text-dim); text-align: center; margin-bottom: 8px; }
.hint { font-size: 12px; color: var(--text-dim); margin-bottom: 16px; text-align: center; }

/* === Business list === */
.biz-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 18px; margin-bottom: 16px; max-width: 520px; }
.biz-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.biz-header h3 { margin: 0; font-size: 16px; font-weight: 500; }
.biz-status { font-size: 11px; color: var(--text-dim); }
.staff-list { font-size: 13px; color: var(--text-dim); }
.staff-list div { padding: 2px 0; }

/* === Two-column form + cards layout (Reports, Cash Close) === */
.top-row { display: flex; gap: 40px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 8px; }
.form-col { flex: 0 0 300px; max-width: 300px; display: flex; flex-direction: column; gap: 20px; }
.cards-col { flex: 1 1 300px; min-width: 0; }
.report-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.report-cards .card { background: var(--surface); border-radius: 8px; padding: 22px 14px; }
.report-cards .label { font-size: 12px; color: var(--text-dim); }
.report-cards .value { font-size: 20px; font-family: ui-monospace, monospace; }