/* =====================================================
   Around29 Bills — design system
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --bg-0: #07090f;
  --bg-1: #0c1018;
  --bg-2: #11161f;
  --surface: rgba(20, 26, 38, 0.65);
  --surface-strong: rgba(28, 36, 52, 0.85);
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #e8ecf3;
  --text-muted: #8993a8;
  --text-faint: #5a6378;

  --cyan: #4cd4e0;
  --cyan-soft: rgba(76, 212, 224, 0.14);
  --cyan-deep: #2a9aa3;
  --violet: #a78bfa;
  --violet-soft: rgba(167, 139, 250, 0.14);

  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.10);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.10);
  --ok: #4ade80;
  --ok-soft: rgba(74, 222, 128, 0.10);
  --info-soft: rgba(76, 212, 224, 0.10);

  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(76, 212, 224, 0.10), transparent 45%),
    radial-gradient(circle at 82% 78%, rgba(167, 139, 250, 0.09), transparent 50%),
    linear-gradient(180deg, #07090f 0%, #0a0d14 100%);
  z-index: -2;
}

body::after {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }
.muted.small, .small { font-size: 12px; }
.big { font-size: 22px; }

/* ============================================================
   AUTH SCREENS
   ============================================================ */

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px 32px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 30px 60px -20px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.auth-card-wide { max-width: 560px; }

.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 50%, transparent);
  opacity: 0.7;
}

.auth-brand { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }

.auth-brand-mark {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.auth-title { font-size: 28px; font-weight: 600; letter-spacing: -0.02em; margin: 6px 0 6px; }
.auth-subtitle { font-size: 14px; color: var(--text-muted); margin: 0 0 28px; line-height: 1.5; }

.auth-foot {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.auth-foot a { color: var(--cyan); text-decoration: none; font-weight: 500; }
.auth-foot a:hover { color: #6ee0ea; }

.auth-meta {
  margin-top: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ============================================================
   FORM ELEMENTS (used in auth + app)
   ============================================================ */

.field { margin-bottom: 18px; }
.field-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }

.field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="date"],
.field input[type="file"],
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(7, 9, 15, 0.5);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.field textarea {
  resize: vertical;
  min-height: 60px;
  line-height: 1.5;
}

.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }

.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(7, 9, 15, 0.7);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}

.field input[type="file"] { padding: 10px 12px; cursor: pointer; }
.field input[type="file"]::-webkit-file-upload-button {
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid var(--cyan-deep);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  margin-right: 12px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 540px) { .grid-2 { grid-template-columns: 1fr; } }

.radio-row { display: flex; gap: 8px; flex-wrap: wrap; }

.radio-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  background: rgba(7, 9, 15, 0.4);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill:hover { color: var(--text); }
.radio-pill:has(input:checked) {
  background: var(--cyan-soft);
  border-color: var(--cyan-deep);
  color: var(--cyan);
}
.radio-pill span { display: inline-block; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  padding: 13px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.08s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  display: inline-block;
  text-align: center;
  text-decoration: none;
}
.btn-inline { width: auto; padding: 10px 18px; }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #5fb8c2);
  color: #06141a;
  font-weight: 600;
  box-shadow: 0 6px 18px -6px rgba(76, 212, 224, 0.45);
  width: 100%;
}
.btn-primary.btn-inline { width: auto; }
.btn-primary:hover { box-shadow: 0 10px 24px -6px rgba(76, 212, 224, 0.6); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-danger {
  background: rgba(248, 113, 113, 0.10);
  color: #fca5a5;
  border: 1px solid rgba(248, 113, 113, 0.35);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.18); }

.btn-link { background: none; color: var(--cyan); text-decoration: none; font-size: 13px; }
.btn-link:hover { color: #6ee0ea; }

/* ============================================================
   ALERTS
   ============================================================ */

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.alert-error { background: var(--danger-soft); border-color: rgba(248, 113, 113, 0.25); color: #fca5a5; }
.alert-warn  { background: var(--warn-soft);   border-color: rgba(251, 191, 36, 0.25); color: #fcd34d; }
.alert-info  { background: var(--cyan-soft);   border-color: rgba(76, 212, 224, 0.25); color: #93dfe6; }
.alert-ok    { background: var(--ok-soft);     border-color: rgba(74, 222, 128, 0.25); color: #86efac; }
.alert strong { font-weight: 600; }

/* ============================================================
   TOPBAR / NAV
   ============================================================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand { text-decoration: none; }
.brand-mark {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 500;
}

.brand-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  background: var(--violet-soft);
  border: 1px solid rgba(167, 139, 250, 0.4);
  border-radius: 4px;
  color: var(--violet);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.topbar-admin .brand-mark { color: var(--violet); }

.topbar-links { display: flex; gap: 6px; flex: 1; flex-wrap: wrap; }
.topbar-links a {
  padding: 6px 12px;
  font-size: 13px;
  text-decoration: none;
  color: var(--text-muted);
  border-radius: 6px;
  transition: color 0.1s, background 0.1s;
}
.topbar-links a:hover { color: var(--text); background: var(--border); }
.topbar-links a.active { color: var(--cyan); background: var(--cyan-soft); }

.topbar-user { display: flex; align-items: center; gap: 14px; }
.topbar-name { font-size: 13px; color: var(--text); }
.topbar-logout {
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  transition: color 0.1s, border-color 0.1s;
}
.topbar-logout:hover { color: var(--cyan); border-color: var(--cyan); }

@media (max-width: 640px) {
  .topbar-inner { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .topbar-links { order: 3; flex-basis: 100%; }
}

/* ============================================================
   PAGE LAYOUT
   ============================================================ */

.page { padding: 36px 0 64px; }
.page-inner { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.page-inner.narrow { max-width: 820px; }

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.page-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 6px;
}
.page-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.15;
}

.back-link {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
}
.back-link:hover { color: var(--cyan); }

/* ============================================================
   STAT CARDS
   ============================================================ */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.stat {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: border-color 0.15s, transform 0.1s;
  position: relative;
  overflow: hidden;
}
.stat:hover { border-color: var(--border-strong); transform: translateY(-1px); }

.stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
  font-weight: 500;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}
.stat-value.mono { font-family: var(--font-mono); font-size: 22px; }

.stat-warn { border-color: rgba(251, 191, 36, 0.25); }
.stat-warn .stat-value { color: var(--warn); }
.stat-warn::after {
  content: '';
  position: absolute;
  top: 12px; right: 12px;
  width: 6px; height: 6px;
  background: var(--warn);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--warn);
  animation: pulse 1.6s ease-in-out infinite;
}

.stat-accent { border-color: rgba(76, 212, 224, 0.25); }
.stat-accent .stat-value { color: var(--cyan); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ============================================================
   PANELS (cards / sections)
   ============================================================ */

.panel {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 22px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}

.panel-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.panel-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.form-panel { padding: 28px 28px 26px; }
.form-stack > .field:last-child { margin-bottom: 0; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 6px; }

.action-panel { border-color: var(--border-strong); }

.hr { border: 0; border-top: 1px solid var(--border); margin: 22px 0; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

/* ============================================================
   EMPTY STATES
   ============================================================ */

.empty-state {
  text-align: center;
  padding: 40px 24px;
}
.empty-title { font-size: 16px; font-weight: 500; margin: 0 0 6px; }
.empty-sub { color: var(--text-muted); font-size: 13px; margin: 0 0 18px; }

.empty-state-mini {
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================================
   TABLES
   ============================================================ */

.table-wrap { overflow-x: auto; margin: -4px -4px 0; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.data-table thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 12px 12px;
  border-bottom: 1px solid var(--border);
}
.data-table tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(76, 212, 224, 0.03); }
.data-table .num { text-align: right; }

.thin-title-inline { font-weight: 500; }
.dot-attached { color: var(--cyan); margin-left: 6px; font-size: 9px; vertical-align: middle; }

.link-arrow {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
}
.link-arrow:hover { color: #6ee0ea; }

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  white-space: nowrap;
}
.b-warn   { background: var(--warn-soft);   color: var(--warn);   border-color: rgba(251, 191, 36, 0.25); }
.b-info   { background: var(--cyan-soft);   color: var(--cyan);   border-color: rgba(76, 212, 224, 0.25); }
.b-ok     { background: var(--ok-soft);     color: var(--ok);     border-color: rgba(74, 222, 128, 0.25); }
.b-danger { background: var(--danger-soft); color: #fca5a5;       border-color: rgba(248, 113, 113, 0.25); }
.b-muted  { background: rgba(255,255,255,0.05); color: var(--text-muted); border-color: var(--border); }

/* ============================================================
   KEY-VALUE GRID
   ============================================================ */

.kv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px 22px;
}
.kv-grid-tight { gap: 10px 22px; }
.kv { display: flex; flex-direction: column; gap: 4px; }
.kv-wide { grid-column: 1 / -1; }
.kv-k {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}
.kv-v {
  font-size: 14px;
  color: var(--text);
}
.kv-block { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.kv-text { color: var(--text); font-size: 14px; line-height: 1.55; margin: 6px 0 0; white-space: pre-wrap; }

/* ============================================================
   THIN LIST (for dashboard sidebars)
   ============================================================ */

.thin-list { list-style: none; margin: 0; padding: 0; }
.thin-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.thin-list li:last-child { border-bottom: none; }
.thin-title { font-size: 14px; font-weight: 500; margin: 0 0 3px; }
.thin-sub   { font-size: 12px; color: var(--text-muted); margin: 0; }

/* ============================================================
   FILTER ROW (chips)
   ============================================================ */

.filter-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.filter-chip {
  padding: 7px 14px;
  background: rgba(7, 9, 15, 0.4);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.filter-chip:hover { color: var(--text); }
.filter-chip.active {
  background: var(--cyan-soft);
  border-color: var(--cyan-deep);
  color: var(--cyan);
}

/* ============================================================
   USER CARDS (admin/users.php)
   ============================================================ */

.user-card { padding: 20px 22px 22px; }
.user-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.user-name { font-size: 17px; font-weight: 600; margin: 0; }
.user-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  vertical-align: middle;
}
.user-meta { font-size: 13px; color: var(--text-muted); margin: 4px 0 0; }

.user-actions { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; flex-wrap: wrap; }
.inline-form { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 0; }
.reason-input {
  padding: 8px 12px;
  background: rgba(7,9,15,0.5);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  min-width: 220px;
}
.reason-input:focus { outline: none; border-color: var(--cyan); }

/* ============================================================
   BILL PHOTO
   ============================================================ */

.bill-photo {
  max-width: 100%;
  max-height: 600px;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ============================================================
   MOBILE
   ============================================================ */

@media (max-width: 540px) {
  .auth-card { padding: 32px 24px 26px; }
  .auth-title { font-size: 24px; }
  .page-title { font-size: 24px; }
  .stat-value { font-size: 24px; }
  .panel { padding: 18px 18px; }
  .form-panel { padding: 22px 20px; }
  .data-table { font-size: 12.5px; }
  .data-table thead th, .data-table tbody td { padding: 10px 8px; }
}