:root {
  --brand: #1d6f5e;
  --brand-dark: #145346;
  --bg: #f6f7f4;
  --card: #ffffff;
  --text: #1f2a24;
  --muted: #61705f;
  --border: #dfe3dd;
  --danger: #b3261e;
  --warn: #8a5a00;
  --warn-bg: #fdf2d8;
  --ok-bg: #e5f4ea;
  --ok: #1d6f3d;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.5;
}

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

.navbar {
  background: var(--brand);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.navbar .brand {
  font-size: 22px;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.navbar nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.navbar nav a, .navbar nav button.linklike {
  color: white;
  text-decoration: none;
  font-size: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

.navbar nav a:hover, .navbar nav button.linklike:hover { text-decoration: underline; }

.lang-form select {
  padding: 4px 8px;
  border-radius: 6px;
  border: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

h1 { font-size: 26px; margin-top: 0; }
h2 { font-size: 20px; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  background: var(--brand);
  color: white;
  border: none;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--brand-dark); }
.btn.secondary {
  background: white;
  color: var(--brand);
  border: 2px solid var(--brand);
}
.btn.secondary:hover { background: #eef6f2; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #8f1e18; }

.toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 18px;
}

input[type=text], input[type=email], input[type=password], input[type=date],
input[type=search], select, textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  width: 100%;
  font-family: inherit;
}

form .field { margin-bottom: 16px; }
form label { display: block; font-weight: 600; margin-bottom: 6px; }
form .help { color: var(--muted); font-size: 14px; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: #fafbf9; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.badge.paid { background: var(--ok-bg); color: var(--ok); }
.badge.due { background: var(--warn-bg); color: var(--warn); }
.badge.overdue { background: #fbe4e1; color: var(--danger); }

.messages { list-style: none; padding: 0; margin: 0 0 20px; }
.messages li {
  padding: 14px 16px;
  border-radius: var(--radius);
  margin-bottom: 10px;
  font-size: 15px;
}
.messages li.success { background: var(--ok-bg); color: var(--ok); }
.messages li.warning { background: var(--warn-bg); color: var(--warn); }
.messages li.error { background: #fbe4e1; color: var(--danger); }

.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--muted);
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { text-align: center; color: var(--brand-dark); }

.actions-row { display: flex; gap: 10px; margin-top: 20px; }

.muted { color: var(--muted); }

.calendar-wrap { overflow-x: auto; }
.calendar-day-nav {
  display: none; /* shown only at phone widths, see the media query below */
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.calendar-time-grid {
  display: flex;
  gap: 6px;
  min-width: 760px;
}
.calendar-axis { width: 52px; flex-shrink: 0; }
.calendar-axis-spacer { height: 44px; }
.calendar-axis-body { position: relative; }
.calendar-hour-label {
  position: absolute;
  left: 0;
  right: 6px;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}
.calendar-day-col {
  flex: 1;
  min-width: 100px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.calendar-day-col.today { border-color: var(--brand); border-width: 2px; }
.calendar-day-header {
  box-sizing: border-box;
  height: 44px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--border);
}
.calendar-day-col.today .calendar-day-header { color: var(--brand); }
.calendar-day-date { font-weight: 400; text-transform: none; letter-spacing: 0; }
.calendar-day-add {
  margin-left: auto;
  color: var(--brand);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  line-height: 1;
}
.calendar-day-add:hover { color: var(--brand-dark); }
.calendar-day-body {
  position: relative;
  cursor: pointer;
  /* Hour gridlines (48px, must match CALENDAR_ROW_HEIGHT in views.py) plus a
     lighter set marking each 15-minute quarter (12px = 48px / 4). */
  background-image:
    repeating-linear-gradient(
      to bottom, var(--border) 0, var(--border) 1px, transparent 1px, transparent 48px
    ),
    repeating-linear-gradient(
      to bottom, #ebeee7 0, #ebeee7 1px, transparent 1px, transparent 12px
    );
}
.calendar-slot-highlight {
  position: absolute;
  left: 3px;
  right: 3px;
  background: rgba(29, 111, 94, .14);
  border: 1px solid rgba(29, 111, 94, .45);
  border-radius: 4px;
  pointer-events: none;
}
.calendar-slot {
  position: absolute;
  left: 3px;
  right: 3px;
  background: var(--ok-bg);
  color: var(--text);
  border: 1px solid #bfe3cd;
  border-radius: 6px;
  padding: 3px 6px;
  overflow: hidden;
  text-decoration: none;
  font-size: 12px;
  line-height: 1.3;
}
.calendar-slot:hover { background: #d7ede0; }
.calendar-slot-time { display: block; font-weight: 700; color: var(--brand-dark); }
.calendar-slot-member { display: block; }

.member-picker { position: relative; }
.member-search-results {
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  margin-top: 4px;
  max-height: 220px;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
}
.member-search-result {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 15px;
}
.member-search-result:hover { background: #eef6f2; }
.member-search-add-new {
  display: block;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.member-search-add-new:hover { background: #eef6f2; }
.member-search-empty {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 14px;
}
.upload-box {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  margin-bottom: 20px;
}

/* ---- Small-screen (phone) adjustments ---- */
@media (max-width: 640px) {
  /* Members list: each row becomes its own card instead of a table row,
     since a 4-5 column table doesn't fit a phone width. */
  .member-table-wrap {
    border: none;
    background: transparent;
    overflow-x: visible;
  }
  .responsive-table thead { display: none; }
  .responsive-table, .responsive-table tbody, .responsive-table tr, .responsive-table td {
    display: block;
    width: 100%;
  }
  .responsive-table tr {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 12px;
  }
  .responsive-table td {
    border: none;
    padding: 5px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
  }
  .responsive-table td:first-child {
    font-size: 17px;
    font-weight: 600;
    padding-top: 0;
  }
  .responsive-table td:last-child { padding-bottom: 0; }
  .responsive-table td[data-label]::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
  }

  /* Calendar: show one day at a time with Prev/Next-day controls, instead
     of a 7-day strip that only works by scrolling sideways. */
  .calendar-day-nav { display: flex; }
  .calendar-wrap { overflow-x: visible; }
  .calendar-time-grid { min-width: 0; }
  .calendar-day-col { display: none; }
  .calendar-day-col.mobile-visible { display: block; }
}