/* ═══════════════════════════════════════════════════════════════════
   Hood Farm Tracker — Styles
   ═══════════════════════════════════════════════════════════════════ */

/* ── Reset & Base ── */

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

:root {
  --green-900: #1B5E20;
  --green-700: #2E7D32;
  --green-600: #388E3C;
  --green-100: #E8F5E9;
  --green-50:  #F1F8E9;
  --brown-700: #5D4037;
  --brown-500: #795548;
  --brown-100: #EFEBE9;
  --amber-600: #F9A825;
  --amber-100: #FFF8E1;
  --red-600:   #E53935;
  --red-100:   #FFEBEE;
  --blue-600:  #1E88E5;

  --bg:          #FAFAF5;
  --card-bg:     #FFFFFF;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --card-radius: 12px;

  --text-primary:   #2C3E50;
  --text-secondary:  #546E7A;
  --text-muted:     #78909C;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --nav-height: 56px;
  --max-width: 800px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Top Nav ── */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--green-700);
  color: white;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  flex: 1;
  cursor: pointer;
}

.nav-brand span {
  font-weight: 300;
  opacity: 0.85;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.nav-user-info {
  text-align: right;
  line-height: 1.2;
}

#user-name {
  font-weight: 600;
}

#user-role {
  opacity: 0.75;
  font-size: 11px;
}

#logout-btn {
  background: rgba(255,255,255,0.15);
  border: none;
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

#logout-btn:hover {
  background: rgba(255,255,255,0.25);
}

/* ── Bottom Nav (mobile) ── */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--card-bg);
  border-top: 1px solid #E0E0E0;
  display: flex;
  justify-content: space-around;
  padding: 4px 0;
  padding-bottom: max(4px, env(safe-area-inset-bottom));
}

.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 12px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s;
}

.nav-link.active {
  color: var(--green-700);
}

.nav-link svg {
  width: 22px;
  height: 22px;
}

.nav-link.active svg {
  stroke: var(--green-700);
}

/* ── Screen system ── */

.screen {
  display: none;
  padding: 16px;
  padding-bottom: 80px; /* room for bottom nav */
  max-width: var(--max-width);
  margin: 0 auto;
}

.screen.active {
  display: block;
}

/* ── Login Overlay ── */

#login-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  justify-content: center;
  align-items: center;
}

#login-overlay.active {
  display: flex;
}

.login-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 40px 32px;
  max-width: 380px;
  width: 90%;
  text-align: center;
}

.login-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--green-700);
  margin-bottom: 4px;
}

.login-logo span {
  font-weight: 300;
  color: var(--brown-500);
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.login-card label {
  display: block;
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #DDD;
  border-radius: 8px;
  font-size: 16px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}

.login-card input:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px var(--green-100);
}

#login-status {
  font-size: 13px;
  color: var(--text-muted);
  min-height: 20px;
  margin: 12px 0;
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background-color 0.15s, transform 0.1s;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--green-700);
  color: white;
  width: 100%;
}

.btn-primary:hover {
  background: var(--green-900);
}

.btn-secondary {
  background: #EEE;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #E0E0E0;
}

.btn-text {
  background: none;
  color: var(--green-700);
  padding: 8px 12px;
  font-size: 14px;
}

.btn-large {
  padding: 16px 24px;
  font-size: 17px;
  border-radius: 12px;
}

.btn-fab {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--green-700);
  color: white;
  border: none;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(46,125,50,0.4);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-fab:hover {
  background: var(--green-900);
}

/* ── Cards ── */

.card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

/* ── Dashboard Stats ── */

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 16px;
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-card.full-width {
  grid-column: 1 / -1;
}

.stat-value.positive { color: var(--green-700); }
.stat-value.negative { color: var(--red-600); }

/* ── Transaction Rows ── */

.transaction-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #F0F0F0;
}

.transaction-row:last-child {
  border-bottom: none;
}

.transaction-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.transaction-vendor {
  font-weight: 500;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.transaction-date {
  font-size: 12px;
  color: var(--text-muted);
}

.transaction-amount {
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  margin-left: 12px;
}

.transaction-amount.expense { color: var(--red-600); }
.transaction-amount.revenue { color: var(--green-700); }

/* ── Section Headers ── */

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
}

/* ── Quick Actions ── */

.quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.quick-action-btn {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 16px;
  border: none;
  cursor: pointer;
  text-align: center;
  font-family: var(--font);
  transition: transform 0.1s;
}

.quick-action-btn:active {
  transform: scale(0.97);
}

.quick-action-btn svg {
  width: 28px;
  height: 28px;
  margin-bottom: 6px;
}

.quick-action-btn .action-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.quick-action-btn.expense-action svg { color: var(--red-600); }
.quick-action-btn.revenue-action svg { color: var(--green-700); }
.quick-action-btn.scan-action svg { color: var(--blue-600); }
.quick-action-btn.report-action svg { color: var(--brown-500); }

/* ── Empty State ── */

.empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Page Headers ── */

.page-header {
  margin-bottom: 20px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Placeholder screens ── */

.coming-soon {
  text-align: center;
  padding: 60px 20px;
}

.coming-soon svg {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.coming-soon h2 {
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.coming-soon p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Forms ── */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #DDD;
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font);
  outline: none;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px var(--green-100);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ── Filter Bar ── */

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
  padding: 8px 12px;
  border: 1px solid #DDD;
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font);
  background: white;
  outline: none;
}

.filter-bar select:focus,
.filter-bar input:focus {
  border-color: var(--green-600);
}

/* ── Report Tables ── */

#screen-reports {
  max-width: 1100px;
}

.report-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 600px;
}

.report-table th {
  background: var(--green-100);
  color: var(--text-primary);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 2px solid var(--green-700);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  white-space: nowrap;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.report-table td {
  padding: 6px 10px;
  border-bottom: 1px solid #F0F0F0;
  white-space: nowrap;
}

.report-table tbody tr:hover {
  background: var(--green-50);
}

.report-table tbody tr[style*="cursor: pointer"]:hover {
  background: var(--green-100);
}

.report-table .total-row {
  background: var(--green-100);
  border-top: 2px solid var(--green-700);
}

.report-table .total-row td {
  border-bottom: none;
}

.monthly-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.monthly-chip {
  background: var(--green-100);
  color: var(--green-900);
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
}

.monthly-chip.total-chip {
  background: var(--green-700);
  color: white;
  font-weight: 600;
}

.export-bar {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  justify-content: flex-end;
}

/* ── Document Cards ── */

.doc-card {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #F0F0F0;
}

.doc-card:last-child {
  border-bottom: none;
}

.doc-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--green-100);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.doc-info {
  flex: 1;
  min-width: 0;
}

.doc-name {
  font-weight: 500;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.doc-description {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.doc-tag {
  background: var(--green-100);
  color: var(--green-900);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

/* ── Equipment Cards ── */

.equipment-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 16px;
  margin-bottom: 12px;
}

.equipment-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}

.equipment-details {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.equipment-serial {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  font-family: monospace;
}

/* ── Responsive ── */

@media (max-width: 500px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stat-value {
    font-size: 18px;
  }

  .quick-actions {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

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

@media (min-width: 769px) {
  .bottom-nav {
    display: none;
  }

  .screen {
    padding-bottom: 32px;
  }

  .btn-fab {
    bottom: 24px;
  }
}

/* ── Print ── */

@media print {
  .top-nav, .bottom-nav, .btn-fab, .quick-actions, #login-overlay,
  .filter-bar, .export-bar, .page-header .page-subtitle {
    display: none !important;
  }

  .screen {
    padding: 0;
    max-width: 100%;
  }

  .screen.active {
    display: block !important;
  }

  .card {
    box-shadow: none;
    border: 1px solid #DDD;
  }

  .report-table {
    font-size: 11px;
  }

  .report-table th {
    background: #EEE !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .report-table .total-row {
    background: #EEE !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .table-scroll {
    overflow: visible;
  }

  .report-title {
    font-size: 16px;
  }
}