/* ============================================================
   SUEAL LAUNDRY SHOP — Design System
   Palette: Chlorophyll-inspired + industrial utility
   Fonts: Bricolage Grotesque + Spline Sans Mono
   ============================================================ */

:root {
  --bg:           #0D1F0F;
  --bg-2:         #122015;
  --bg-3:         #1A2E1C;
  --surface:      #1E3521;
  --surface-2:    #243D27;
  --border:       #2E4D31;
  --border-light: #3A6040;

  --green-bright: #B8F369;
  --green-mid:    #7DC44A;
  --green-dark:   #2D6A1E;
  --green-muted:  #4A7A3A;

  --text-primary:   #EDF5E1;
  --text-secondary: #9BBF8A;
  --text-muted:     #5E8A52;
  --text-inverse:   #0D1F0F;

  --accent:       #B8F369;
  --accent-hover: #CCFF7A;
  --warn:         #FFD166;
  --warn-bg:      #2A2200;
  --danger:       #FF6B6B;
  --danger-bg:    #2A0A0A;
  --paid:         #B8F369;
  --partial:      #FFD166;
  --unpaid:       #FF6B6B;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.6);

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-mono:    'Spline Sans Mono', monospace;

  --transition: 0.18s ease;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-muted); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 18px 28px;
  background: var(--bg-2);
  border-bottom: 1.5px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-mark {
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(184,243,105,0.3));
}

.header-title-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.site-subtitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 110px;
  transition: border-color var(--transition);
}
.stat-chip:hover { border-color: var(--border-light); }
.stat-chip.accent { border-color: rgba(184,243,105,0.3); background: rgba(184,243,105,0.06); }
.stat-chip.warn   { border-color: rgba(255,209,102,0.3); background: rgba(255,209,102,0.06); }

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1px;
}
.stat-chip.accent .stat-value { color: var(--green-bright); }
.stat-chip.warn   .stat-value { color: var(--warn); }

/* ============================================================
   TOOLBAR
   ============================================================ */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 28px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 11px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-input {
  font-family: var(--font-display);
  font-size: 0.875rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 8px 36px 8px 34px;
  width: 280px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  border-color: var(--green-muted);
  box-shadow: 0 0 0 3px rgba(184,243,105,0.1);
}
.clear-search {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px 4px;
  border-radius: 3px;
  display: none;
  transition: color var(--transition);
}
.clear-search:hover { color: var(--text-primary); }
.clear-search.visible { display: block; }

.sort-select {
  font-family: var(--font-display);
  font-size: 0.875rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 8px 12px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.sort-select:focus { border-color: var(--green-muted); }
.sort-select option { background: var(--surface); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  outline: none;
  text-decoration: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--green-bright);
  color: var(--text-inverse);
  border-color: var(--green-bright);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 16px rgba(184,243,105,0.35);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--surface-2);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(255,107,107,0.4);
}
.btn-danger:hover {
  background: rgba(255,107,107,0.2);
  box-shadow: 0 0 12px rgba(255,107,107,0.2);
}

.btn-icon {
  padding: 8px 10px;
}

/* ============================================================
   FORM PANEL
   ============================================================ */
.form-panel {
  background: var(--bg-2);
  border-bottom: 2px solid var(--green-dark);
  padding: 24px 28px;
  display: none;
  animation: slideDown 0.22s ease;
}
.form-panel.open { display: block; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.form-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.form-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green-bright);
  letter-spacing: -0.02em;
}

.form-close {
  font-size: 0.8rem;
  padding: 6px 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.req { color: var(--danger); }

.form-group input,
.form-group select {
  font-family: var(--font-display);
  font-size: 0.9rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 9px 12px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus {
  border-color: var(--green-muted);
  box-shadow: 0 0 0 3px rgba(184,243,105,0.1);
}
.form-group input.error { border-color: var(--danger); }

.form-group.computed .computed-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--green-bright);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  letter-spacing: 0.02em;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================================================
   TABLE
   ============================================================ */
.table-container {
  padding: 20px 28px 40px;
}

.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-md);
}

.billing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 900px;
}

/* HEAD */
.billing-table thead tr {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
}

.billing-table th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 13px 14px;
  text-align: left;
  white-space: nowrap;
  user-select: none;
}

.billing-table th.sortable {
  cursor: pointer;
  transition: color var(--transition);
}
.billing-table th.sortable:hover { color: var(--green-bright); }
.billing-table th.sort-active { color: var(--green-bright); }

.sort-arrow {
  margin-left: 4px;
  opacity: 0.4;
  font-size: 0.75rem;
}
th.sort-active .sort-arrow { opacity: 1; }

.col-num     { width: 52px; text-align: center !important; }
.col-money   { text-align: right !important; }
.col-status  { width: 90px; text-align: center !important; }
.col-actions { width: 100px; text-align: center !important; }

/* BODY ROWS */
.billing-table tbody tr {
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  transition: background var(--transition);
}
.billing-table tbody tr:nth-child(even) { background: var(--bg-2); }
.billing-table tbody tr:hover { background: var(--surface); }
.billing-table tbody tr.editing { background: rgba(184,243,105,0.05); outline: 1.5px solid var(--green-dark); outline-offset: -1px; }

.billing-table td {
  padding: 11px 14px;
  color: var(--text-primary);
  vertical-align: middle;
}

.td-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
}

.td-bill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--green-mid);
  font-weight: 600;
}

.td-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.td-money {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-align: right;
  font-weight: 500;
}

.td-total  { color: var(--green-bright); }
.td-pending-paid    { color: var(--text-muted); }
.td-pending-partial { color: var(--warn); }
.td-pending-unpaid  { color: var(--danger); }

/* INLINE EDIT INPUTS */
.billing-table td input {
  font-family: var(--font-display);
  font-size: 0.875rem;
  background: var(--surface-2);
  border: 1.5px solid var(--green-dark);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 5px 8px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
}
.billing-table td input:focus { border-color: var(--green-bright); }
.billing-table td input[type="number"] { text-align: right; }

/* STATUS BADGE */
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 99px;
  white-space: nowrap;
}
.badge-paid    { background: rgba(184,243,105,0.15); color: var(--paid);    border: 1px solid rgba(184,243,105,0.3); }
.badge-partial { background: rgba(255,209,102,0.15); color: var(--partial); border: 1px solid rgba(255,209,102,0.3); }
.badge-unpaid  { background: rgba(255,107,107,0.15); color: var(--unpaid);  border: 1px solid rgba(255,107,107,0.3); }

/* ACTION BUTTONS IN TABLE */
.action-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
}
.action-btn:hover { background: var(--surface-2); color: var(--text-primary); border-color: var(--border-light); }
.action-btn.edit-btn:hover  { color: var(--green-bright); border-color: var(--green-dark); }
.action-btn.save-btn        { color: var(--green-bright); border-color: var(--green-dark); background: rgba(184,243,105,0.08); }
.action-btn.save-btn:hover  { background: rgba(184,243,105,0.18); }
.action-btn.del-btn:hover   { color: var(--danger); border-color: rgba(255,107,107,0.4); background: var(--danger-bg); }

/* FOOT ROW */
.billing-table tfoot tr {
  background: var(--surface);
  border-top: 2px solid var(--border);
}
.billing-table tfoot td {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.foot-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.foot-total  { color: var(--green-bright); text-align: right; }
.foot-pending { color: var(--warn); text-align: right; }

/* ============================================================
   EMPTY / NO RESULTS STATES
   ============================================================ */
.empty-state, .no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  gap: 12px;
}

.empty-icon {
  color: var(--text-muted);
  opacity: 0.5;
  margin-bottom: 8px;
}

.empty-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.empty-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
}
.empty-sub strong { color: var(--green-bright); }

.no-results {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  animation: fadeIn 0.15s ease;
}
.modal-overlay.open { display: flex; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.18s ease;
}

@keyframes scaleIn {
  from { transform: scale(0.94); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.modal-icon { margin-bottom: 14px; }
.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.modal-body {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--surface-2);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 12px 20px;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
  max-width: 320px;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.success { border-color: rgba(184,243,105,0.5); color: var(--green-bright); }
.toast.error   { border-color: rgba(255,107,107,0.5); color: var(--danger); }
.toast.info    { border-color: rgba(255,209,102,0.4); color: var(--warn); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .site-header { padding: 14px 16px; }
  .toolbar     { padding: 12px 16px; }
  .table-container { padding: 16px 12px 40px; }
  .form-panel  { padding: 18px 16px; }

  .search-input { width: 200px; }
  .header-right { gap: 6px; }
  .stat-chip    { min-width: 90px; padding: 6px 10px; }
  .site-title   { font-size: 1.15rem; }

  .form-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .header-right { display: none; }
  .form-grid    { grid-template-columns: 1fr; }
  .search-input { width: 160px; }
  .toolbar-right .btn span { display: none; }
}