/* ============================================
   BUYSEED — Core Stylesheet
   Aesthetic: Organic Botanical / Editorial
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap');

:root {
  --cream:       #F7F3EC;
  --parchment:   #EDE5D4;
  --bark:        #5C4033;
  --moss:        #3A5C2E;
  --moss-light:  #5A8A4A;
  --leaf:        #7CAF5E;
  --sage:        #A8BFA0;
  --rust:        #B85C38;
  --amber:       #D4922A;
  --ink:         #1C1C1A;
  --muted:       #7A7060;
  --border:      #D4C9B4;
  --white:       #FFFFFF;
  --shadow:      rgba(92,64,51,0.12);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --radius: 4px;
  --radius-lg: 12px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
}

/* ---- NAVIGATION ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--moss);
  box-shadow: 0 2px 16px var(--shadow);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.nav-logo span { color: var(--leaf); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  flex: 1;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.85rem;
  color: rgba(247,243,236,0.8);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cream);
  background: rgba(255,255,255,0.12);
}

.nav-cart {
  margin-left: auto;
  position: relative;
  background: var(--leaf);
  color: var(--ink) !important;
  font-weight: 600 !important;
  padding: 0.4rem 1rem !important;
  border-radius: 20px !important;
}

.cart-badge {
  position: absolute;
  top: -6px; right: -6px;
  background: var(--rust);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  display: none;
}

/* ---- PAGE WRAPPER ---- */
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

.page-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--bark);
  font-weight: 700;
  line-height: 1.15;
}

.page-subtitle {
  color: var(--muted);
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--moss);
  color: var(--cream);
}
.btn-primary:hover { background: var(--bark); }

.btn-secondary {
  background: var(--parchment);
  color: var(--bark);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); }

.btn-accent {
  background: var(--rust);
  color: white;
}
.btn-accent:hover { background: var(--bark); }

.btn-success {
  background: var(--leaf);
  color: var(--ink);
}
.btn-success:hover { background: var(--moss-light); color: white; }

.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }
.btn-icon { padding: 0.5rem; border-radius: 50%; }

/* ---- FORMS ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--bark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.6rem 0.85rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  transition: var(--transition);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(58,92,46,0.12);
}

textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

/* ---- CARDS ---- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover { box-shadow: 0 8px 32px var(--shadow); transform: translateY(-2px); }

.card-body { padding: 1.25rem; }
.card-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--border); background: var(--parchment); }

/* ---- BADGES ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-green  { background: #D1EDCB; color: #2A5C20; }
.badge-amber  { background: #FBE9C4; color: #8A5A10; }
.badge-red    { background: #FDDDD5; color: #8A2A10; }
.badge-blue   { background: #D0E4F7; color: #1A4A7A; }
.badge-gray   { background: var(--parchment); color: var(--muted); }

/* ---- TABLES ---- */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  background: var(--parchment);
  color: var(--bark);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--parchment);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(247,243,236,0.6); }

/* ---- MODALS ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28,28,26,0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition);
  box-shadow: 0 24px 64px rgba(28,28,26,0.25);
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-lg { max-width: 800px; }

.modal-header {
  padding: 1.5rem 1.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--bark);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 1.25rem;
  padding: 0.25rem;
  border-radius: var(--radius);
  transition: var(--transition);
  line-height: 1;
}

.modal-close:hover { color: var(--rust); background: var(--parchment); }

.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; }

/* ---- STAT CARDS ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.stat-card.green::before { background: var(--leaf); }
.stat-card.amber::before { background: var(--amber); }
.stat-card.rust::before  { background: var(--rust); }
.stat-card.moss::before  { background: var(--moss); }

.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--ink);
  line-height: 1;
  font-weight: 700;
}

.stat-sub {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

/* ---- TOAST ---- */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--ink);
  color: var(--cream);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  animation: slideUp 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 320px;
}

.toast.success { background: var(--moss); }
.toast.error   { background: var(--rust); }

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ---- SEARCH/FILTER BAR ---- */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar input,
.filter-bar select {
  width: auto;
  min-width: 180px;
}

/* ---- EMPTY STATE ---- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state h3 {
  font-family: var(--font-display);
  color: var(--bark);
  margin-bottom: 0.5rem;
}

/* ---- INVOICE PRINT STYLES ---- */
@media print {
  .nav, .no-print { display: none !important; }
  body { background: white; }
  .invoice-sheet {
    max-width: 100%;
    box-shadow: none;
    border: none;
  }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .page { padding: 1.5rem 1rem; }
  .page-title { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}