/* ============================================
   CULI CUISINE — INVOICE SYSTEM
   Light Restaurant Theme — Warm & Elegant
============================================ */

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

:root {
  --bg-primary:    #faf8f5;
  --bg-secondary:  #ffffff;
  --bg-card:       #ffffff;
  --bg-input:      #f5f2ee;
  --bg-hover:      #f0ece6;
  --bg-sidebar:    #1c1917;

  --accent:        #b5823a;
  --accent-light:  #d4a055;
  --accent-dark:   #8a5f25;
  --accent-muted:  rgba(181,130,58,0.10);
  --accent-border: rgba(181,130,58,0.30);

  --culi:          #2d6a4f;
  --culi-muted:    rgba(45,106,79,0.10);
  --catering:      #c1440e;
  --catering-muted:rgba(193,68,14,0.09);

  --text-primary:  #1c1917;
  --text-secondary:#57534e;
  --text-muted:    #a8a29e;

  --border:        #e7e3de;
  --border-accent: rgba(181,130,58,0.28);

  --success:       #2d6a4f;
  --error:         #c1440e;
  --warning:       #b5823a;

  --sidebar-width: 255px;
  --topbar-height: 60px;
  --radius:        12px;
  --radius-sm:     8px;
  --shadow:        0 1px 8px rgba(0,0,0,0.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:     0 12px 40px rgba(0,0,0,0.14);

  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'Outfit', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-tap-highlight-color: transparent; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- UTILITIES ---- */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.w-full { width: 100%; }
.font-bold { font-weight: 600; }

/* ---- LOGIN ---- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #faf8f5;
  padding: 1rem;
}

.login-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.75rem 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
}

.login-logo { text-align: center; margin-bottom: 2.25rem; }
.login-logo-icon {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 0.85rem;
  letter-spacing: 0.3em;
}
.login-logo h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}
.login-logo p {
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.login-form { display: flex; flex-direction: column; gap: 1rem; }
.login-error {
  background: rgba(193,68,14,0.07);
  border: 1px solid rgba(193,68,14,0.25);
  color: var(--error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* ---- APP SHELL ---- */
.app-shell { display: flex; min-height: 100vh; }

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  min-height: var(--topbar-height);
}
.sidebar-logo {
  width: 32px; height: 32px;
  background: rgba(181,130,58,0.15);
  border: 1px solid rgba(181,130,58,0.3);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-light);
  font-size: 1rem;
  flex-shrink: 0;
}
.sidebar-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #f5f0e8;
  letter-spacing: 0.03em;
  flex: 1;
}
.sidebar-close {
  display: none; background: none; border: none;
  color: rgba(255,255,255,0.4); cursor: pointer; font-size: 1.1rem; padding: 0.2rem;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
  display: flex;
  flex-direction: column;
}
.nav-group { margin-top: 0.5rem; }
.nav-group-label {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  padding: 0.6rem 1.1rem 0.3rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1.1rem;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: all 0.18s;
  font-size: 0.875rem;
  font-weight: 400;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}
.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
}
.nav-item.active {
  background: rgba(181,130,58,0.15);
  color: #e8c06a;
  border-right: 2px solid var(--accent-light);
  font-weight: 500;
}
.nav-sub { padding-left: 2.4rem; font-size: 0.845rem; }
.nav-icon {
  font-size: 1rem;
  width: 18px;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.7; flex-shrink: 0;
}
.nav-item.active .nav-icon { opacity: 1; }
.nav-item:hover .nav-icon { opacity: 1; }

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.sidebar-user { display: flex; align-items: center; gap: 0.65rem; flex: 1; min-width: 0; }
.sidebar-user-avatar {
  width: 32px; height: 32px;
  background: rgba(181,130,58,0.2);
  border: 1px solid rgba(181,130,58,0.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 600; color: var(--accent-light);
  flex-shrink: 0;
}
.sidebar-user-info > div:first-child {
  font-size: 0.845rem; font-weight: 500;
  color: rgba(255,255,255,0.85);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sidebar-user-role { font-size: 0.7rem; color: rgba(255,255,255,0.3); }
.btn-logout {
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.55rem;
  font-size: 1rem;
  transition: all 0.2s;
  flex-shrink: 0;
  display: flex; align-items: center;
}
.btn-logout:hover { border-color: rgba(193,68,14,0.5); color: #e08060; }

/* ---- MAIN CONTENT ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-primary);
}

.topbar {
  height: var(--topbar-height);
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}
.menu-toggle { display: none; background: none; border: none; color: var(--text-secondary); font-size: 1.25rem; cursor: pointer; padding: 0.2rem; }
.topbar-title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; flex: 1; color: var(--text-primary); letter-spacing: 0.02em; }
.topbar-actions { display: flex; align-items: center; gap: 0.75rem; }

.page-content { padding: 1.75rem; flex: 1; max-width: 1400px; }

/* ---- CARDS ---- */
.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}
.card-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--text-primary); letter-spacing: 0.02em; }
.card-subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.15rem; }

/* ---- STAT CARDS ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent);
  border-radius: var(--radius) var(--radius) 0 0;
}
.stat-card.culi::before   { background: var(--culi); }
.stat-card.catering::before { background: var(--catering); }

.stat-label {
  font-size: 0.72rem; font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 0.55rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 1.9rem; font-weight: 700;
  color: var(--text-primary);
  line-height: 1; margin-bottom: 0.45rem;
}
.stat-change { font-size: 0.75rem; display: flex; align-items: center; gap: 0.25rem; }
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--error); }

/* ---- CHARTS ---- */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.chart-container { position: relative; height: 240px; }

/* ---- FORMS ---- */
.form-group { margin-bottom: 1rem; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

label {
  display: block;
  font-size: 0.72rem; font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase; letter-spacing: 0.07em;
}

input, select, textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.65rem 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
  background: #ffffff;
}
textarea { resize: vertical; min-height: 80px; }
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a8a29e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

/* ---- BUTTONS ---- */
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.62rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(181,130,58,0.30);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.62rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-secondary:hover { border-color: var(--accent-border); color: var(--accent); background: var(--accent-muted); }

.btn-danger {
  background: transparent;
  color: var(--error);
  border: 1px solid rgba(193,68,14,0.20);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 0.35rem;
}
.btn-danger:hover { background: rgba(193,68,14,0.07); border-color: rgba(193,68,14,0.35); }

.btn-icon {
  background: none; border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  font-size: 0.85rem;
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.btn-icon:hover { color: var(--text-primary); background: var(--bg-hover); }
.btn-icon i { font-size: 1rem; }

.btn-sm   { padding: 0.4rem 0.85rem; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-group { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

/* ---- TABLES ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  text-align: left;
  font-size: 0.7rem; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  white-space: nowrap;
}
td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid #f0ece6;
  color: var(--text-secondary);
  vertical-align: middle;
}
tr:hover td { background: #fdf9f5; color: var(--text-primary); }
tr:last-child td { border-bottom: none; }

/* ---- INVOICE TABLE (dynamic rows) ---- */
.invoice-table-wrap { overflow-x: auto; }
.invoice-row-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.invoice-row-table th {
  background: var(--bg-primary);
  padding: 0.55rem 0.65rem;
  font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.invoice-row-table td {
  border: 1px solid var(--border);
  padding: 0.2rem;
}
.invoice-row-table td input,
.invoice-row-table td select {
  border: none;
  background: transparent;
  padding: 0.4rem 0.5rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}
.invoice-row-table td input:focus,
.invoice-row-table td select:focus {
  background: #fff8ee;
  border-radius: 4px;
  box-shadow: none;
}

/* ---- TOTALS BOX ---- */
.totals-box {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  max-width: 300px;
  margin-left: auto;
}
.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.3rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.totals-row:last-child { border-bottom: none; }
.totals-row.total-final {
  font-size: 1.15rem; font-weight: 700;
  color: var(--accent);
  padding-top: 0.65rem;
  font-family: var(--font-display);
}

/* ---- BADGE ---- */
.badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem; font-weight: 600;
}
.badge-culi     { background: rgba(45,106,79,0.10);  color: var(--culi); }
.badge-catering { background: rgba(193,68,14,0.09);  color: var(--catering); }
.badge-success  { background: rgba(45,106,79,0.10);  color: var(--success); }

/* ---- FILTER BAR ---- */
.filter-bar {
  display: flex; gap: 0.75rem; align-items: center;
  flex-wrap: wrap; margin-bottom: 1.1rem;
}
.filter-bar input, .filter-bar select { width: auto; flex: 1; min-width: 140px; }

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(28,25,23,0.50);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 1rem;
  backdrop-filter: blur(3px);
}
.modal-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-card.modal-wide { max-width: 720px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-family: var(--font-display); font-size: 1.15rem; color: var(--text-primary); letter-spacing: 0.02em; }
.modal-header button {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 1.1rem; padding: 0.2rem;
  display: flex; align-items: center; border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.modal-header button:hover { background: var(--bg-hover); color: var(--text-primary); }
.modal-body   { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 0.75rem;
}

/* ---- INVOICE TYPE CARDS ---- */
.invoice-type-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.invoice-type-card {
  background: var(--bg-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  font-family: var(--font-body);
  color: var(--text-primary);
}
.invoice-type-card:hover {
  border-color: var(--accent);
  background: #fff8ee;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.invoice-type-icon { font-size: 2rem; color: var(--accent); margin-bottom: 0.85rem; }
.invoice-type-icon i { font-size: 2rem; }
.invoice-type-name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin-bottom: 0.3rem; color: var(--text-primary); }
.invoice-type-desc { font-size: 0.8rem; color: var(--text-muted); }

/* ---- SECTION HEADER ---- */
.section-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap;
}
.section-title { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--text-primary); letter-spacing: 0.02em; }
.section-subtitle { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ---- TOAST ---- */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  z-index: 999; max-width: 320px;
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--text-primary);
}
.toast.success { border-left: 3px solid var(--success); }
.toast.success i { color: var(--success); }
.toast.error   { border-left: 3px solid var(--error); }
.toast.error i { color: var(--error); }

/* ---- EMPTY STATE ---- */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state-icon { font-size: 2rem; margin-bottom: 1rem; opacity: 0.3; }
.empty-state p { font-size: 0.875rem; }

/* ---- DIVIDER ---- */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ---- UPLOAD AREA ---- */
.upload-area {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.upload-area i { font-size: 1.75rem; }
.upload-area:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-muted); }
.upload-preview { width: 100%; max-height: 120px; object-fit: contain; margin-top: 0.75rem; border-radius: var(--radius-sm); }

/* ---- ACCENT LINE ---- */
.accent-line {
  width: 40px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0.5rem 0 1rem;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .sidebar-close { display: block; }
  .menu-toggle { display: block; }
  .main-content { margin-left: 0; }
  .charts-grid { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .invoice-type-grid { grid-template-columns: 1fr; }
  .page-content { padding: 1rem; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar input, .filter-bar select { min-width: unset; width: 100%; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-value { font-size: 1.5rem; }
  .topbar { padding: 0 1rem; }
  .card { padding: 1rem; }
}