:root {
  --navy: #141E3C;
  --navy-hover: #1B2A4A;
  --blue: #0066CC;
  --blue-light: #E8F1FC;
  --page-bg: #F5F5F7;
  --input-bg: #F9FAFB;
  --border: #E0E0E0;
  --white: #FFFFFF;
  --text: #1D1D1F;
  --text-muted: #6B7280;
  --danger: #C0392B;
  --danger-light: #FADCDE;
  --success: #14795A;
  --success-light: #DDF3EB;
  --warning: #8A6408;
  --warning-light: #FFF4E0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, "SF Pro Text", system-ui, "Segoe UI", sans-serif;
  background: var(--page-bg);
  color: var(--text);
}

a { color: var(--blue); }

/* ---------- login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(20, 30, 60, 0.08);
  padding: 40px;
  width: 340px;
  text-align: center;
}
.login-logo {
  height: 34px;
  width: auto;
  margin-bottom: 10px;
}
.login-card .sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
}
.login-card input {
  width: 100%;
  padding: 11px 12px;
  margin-bottom: 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
.login-card button {
  width: 100%;
  padding: 13px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
}
.login-card button:hover { background: var(--navy); }
.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin: -4px 0 12px;
  min-height: 16px;
}

/* ---------- app shell ---------- */
.app {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 220px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  overflow-y: auto;
}
.sidebar .brand {
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.sidebar .brand-logo {
  height: 20px;
  width: auto;
  filter: brightness(0) invert(1);
  display: block;
}
.sidebar nav {
  flex: 1;
  padding: 12px 0;
}
.sidebar nav button {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--white);
  opacity: 0.7;
  padding: 12px 20px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
}
.sidebar nav button .nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.sidebar nav button:hover { opacity: 1; background: var(--navy-hover); }
.sidebar nav button.active {
  opacity: 1;
  background: var(--navy-hover);
  border-left: 3px solid var(--blue);
}
.sidebar .user-box {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
}
.sidebar .user-box .name { font-weight: 600; margin-bottom: 2px; }
.sidebar .user-box .role { opacity: 0.6; text-transform: uppercase; letter-spacing: 0.05em; font-size: 10px; }
.sidebar .user-box button {
  margin-top: 10px;
  width: 100%;
  padding: 6px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
}
.sidebar .user-box button:hover { border-color: var(--blue); color: var(--blue); background: var(--navy-hover); }

.main { flex: 1; padding: 28px 34px; overflow-x: auto; }
.main h2 { margin: 0 0 4px; font-size: 22px; font-weight: 700; }
.main .page-sub { color: var(--text-muted); font-size: 13px; margin-bottom: 22px; }

/* ---------- cards / stats ---------- */
.stat-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 1px 3px rgba(20, 30, 60, 0.04);
  padding: 18px 20px;
  min-width: 180px;
  flex: 1;
}
.stat-card .label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat-card .value.teal { color: var(--blue); }

.split-row {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.split-row .panel { margin-bottom: 0; }

.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 1px 3px rgba(20, 30, 60, 0.04);
  padding: 22px;
  margin-bottom: 22px;
}
.panel h3 { margin: 0 0 14px; font-size: 15px; font-weight: 600; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); }
tr:last-child td { border-bottom: none; }
.right { text-align: right; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.paid { background: var(--success-light); color: var(--success); }
.badge.posted { background: var(--warning-light); color: var(--warning); }
.badge.overdue { background: var(--danger-light); color: var(--danger); }
.badge.not_live { background: #EEEEEE; color: var(--text-muted); }

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border);
  cursor: pointer;
}
.link-btn:hover { color: var(--blue); }

/* ---------- forms / buttons ---------- */
.btn {
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.btn:hover { background: var(--navy); }
.btn.secondary { background: none; border: 1px solid var(--border); color: var(--text); font-weight: 500; }
.btn.secondary:hover { border-color: var(--blue); color: var(--blue); }
.btn.danger { background: none; border: 1px solid #e5b9bd; color: var(--danger); font-weight: 500; }
.btn.danger:hover { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn.small { padding: 6px 12px; font-size: 12.5px; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.toolbar .filters { display: flex; gap: 8px; flex-wrap: wrap; }

input, select, textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(20, 30, 60, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 24px 48px rgba(20, 30, 60, 0.18);
  padding: 26px;
  width: 420px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
}
.modal h3 { margin-top: 0; font-weight: 700; }
.form-row { margin-bottom: 12px; display: flex; flex-direction: column; gap: 5px; }
.form-row label { font-size: 12px; color: var(--text-muted); }
.form-row input, .form-row select, .form-row textarea { width: 100%; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.empty-state { padding: 30px; text-align: center; color: var(--text-muted); font-size: 13px; }
.hidden { display: none !important; }

/* ---------- custom select (native <select> popups can't be styled) ---------- */
.custom-select { position: relative; display: inline-block; }
.form-row .custom-select { width: 100%; display: block; }
.custom-select-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.custom-select-btn:hover { border-color: var(--blue); }
.custom-select-btn.open { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); }
.custom-select-btn svg { flex-shrink: 0; color: var(--text-muted); transition: transform 0.15s; }
.custom-select-btn.open svg { transform: rotate(180deg); }
.custom-select-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(20, 30, 60, 0.16);
  padding: 6px;
  z-index: 60;
  max-height: 260px;
  overflow-y: auto;
}
.custom-select-option {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.custom-select-option:hover { background: var(--blue-light); }
.custom-select-option.selected { background: var(--blue-light); color: var(--blue); font-weight: 600; }

/* ---------- date filter ---------- */
.date-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.segmented {
  display: inline-flex;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.segmented button {
  border: none;
  background: none;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
}
.segmented button:hover { color: var(--text); }
.segmented button.active {
  background: var(--blue);
  color: var(--white);
  font-weight: 600;
}

.date-range-display {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -14px 0 22px;
  font-size: 13px;
  color: var(--text-muted);
}
.date-range-display strong { color: var(--text); font-weight: 700; }
.date-range-display button {
  background: none; border: 1px solid var(--border); border-radius: 8px;
  width: 24px; height: 24px; font-size: 14px; line-height: 1; cursor: pointer; color: var(--text);
}
.date-range-display button:hover { border-color: var(--blue); color: var(--blue); }
.date-range-display button:disabled { opacity: 0.35; cursor: default; }
.date-range-display button:disabled:hover { border-color: var(--border); color: var(--text); }

.date-range-dropdown { position: relative; }
.date-range-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
}
.date-range-btn:hover { border-color: var(--blue); color: var(--blue); }
.date-range-btn.active-range { color: var(--blue); border-color: var(--blue); font-weight: 600; }

.date-range-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(20, 30, 60, 0.16);
  padding: 16px;
  width: 300px;
  z-index: 40;
}
.cal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.cal-header span { font-weight: 700; font-size: 14px; }
.cal-header button {
  background: none; border: 1px solid var(--border); border-radius: 8px;
  width: 28px; height: 28px; font-size: 16px; line-height: 1; cursor: pointer; color: var(--text);
}
.cal-header button:hover { border-color: var(--blue); color: var(--blue); }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.cal-grid .cal-dow { text-align: center; font-size: 11px; color: var(--text-muted); padding: 4px 0 8px; }
.cal-grid .cal-day {
  border: none; background: none; border-radius: 8px; padding: 7px 0;
  font-size: 13px; font-family: inherit; color: var(--text); cursor: pointer;
}
.cal-grid .cal-day:hover { background: var(--blue-light); }
.cal-grid .cal-day.other-month { color: var(--border); }
.cal-grid .cal-day.today { font-weight: 700; }
.cal-grid .cal-day.in-range { background: var(--blue-light); border-radius: 0; }
.cal-grid .cal-day.range-start, .cal-grid .cal-day.range-end {
  background: var(--blue); color: var(--white); font-weight: 600;
}
.cal-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--text-muted); }

/* ---------- charts ---------- */
.viz-legend { display: flex; gap: 18px; margin-bottom: 10px; font-size: 12.5px; color: var(--text); }
.viz-legend .swatch { display: inline-flex; align-items: center; gap: 6px; }
.viz-legend .dot { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.viz-tooltip {
  position: fixed;
  background: var(--navy);
  color: var(--white);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  pointer-events: none;
  z-index: 100;
  white-space: nowrap;
}
.viz-bar { cursor: pointer; }
.viz-bar:hover { opacity: 0.85; }