/* =================== RESET & BASE =================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

/* =================== CSS VARIABLES =================== */
:root {
  --font-main: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  /* Dark theme (default) */
  --bg-page:    #0a0e1a;
  --bg-card:    #0f1629;
  --bg-card2:   #131d35;
  --bg-surface: #1a2540;
  --bg-input:   #0d1424;
  --border:     rgba(99,120,200,0.18);
  --border-focus: rgba(99,160,255,0.6);
  --text-primary: #e8eeff;
  --text-secondary: #8fa3cc;
  --text-muted: #5a6e99;
  --accent:     #4f8fff;
  --accent-glow: rgba(79,143,255,0.25);
  --accent2:    #7c5fff;
  --success:    #34d399;
  --warning:    #fbbf24;
  --error:      #f87171;
  --g1-color:   #818cf8;
  --g2-color:   #34d399;
  --g3-color:   #fb923c;
  --gradient-header: linear-gradient(135deg, #0d1424 0%, #0a1930 50%, #0d1424 100%);
  --gradient-accent: linear-gradient(135deg, #4f8fff, #7c5fff);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:  0 8px 48px rgba(0,0,0,0.6);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
}

body.light {
  --bg-page:    #f0f4ff;
  --bg-card:    #ffffff;
  --bg-card2:   #f7f9ff;
  --bg-surface: #eef2ff;
  --bg-input:   #ffffff;
  --border:     rgba(100,120,200,0.2);
  --border-focus: rgba(79,143,255,0.5);
  --text-primary: #1a2340;
  --text-secondary: #4a5880;
  --text-muted: #8a9ab0;
  --accent:     #3b82f6;
  --accent-glow: rgba(59,130,246,0.15);
  --accent2:    #7c3aed;
  --success:    #059669;
  --warning:    #d97706;
  --error:      #dc2626;
  --gradient-header: linear-gradient(135deg, #dbeafe 0%, #ede9fe 100%);
  --shadow-sm:  0 2px 8px rgba(100,120,200,0.1);
  --shadow-md:  0 4px 24px rgba(100,120,200,0.15);
}

body {
  font-family: var(--font-main);
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
  line-height: 1.6;
}

/* =================== HEADER =================== */
.app-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}
.header-content {
  max-width: 1400px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}
.header-brand {
  display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0;
}
.brand-logo {
  display: flex; align-items: center; gap: 10px; min-width: 0;
}
.logo-flag { font-size: 1.4rem; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; min-width: 0; }
.logo-primary {
  font-size: 0.95rem; font-weight: 800; letter-spacing: 0.04em;
  color: var(--text-primary); white-space: nowrap;
}
.brand-vn .logo-primary { color: #ef4444; }
.brand-gy .logo-primary { color: #22c55e; }
.logo-sub {
  font-size: 0.65rem; color: var(--text-muted); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.brand-divider {
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
}
.divider-line { width: 24px; height: 1px; background: var(--border); }
.divider-x { color: var(--text-muted); font-weight: 700; font-size: 1rem; }

.header-controls { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.currency-toggle { display: flex; background: var(--bg-surface); border-radius: var(--radius-sm); padding: 3px; gap: 2px; }
.currency-btn {
  border: none; background: transparent; cursor: pointer;
  color: var(--text-secondary); font-size: 0.75rem; font-weight: 600;
  padding: 4px 10px; border-radius: 6px;
  transition: all 0.2s; font-family: var(--font-main);
}
.currency-btn.active { background: var(--accent); color: #fff; box-shadow: 0 2px 8px var(--accent-glow); }
.icon-btn {
  width: 36px; height: 36px; border: 1px solid var(--border);
  background: var(--bg-surface); border-radius: var(--radius-sm);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all 0.2s;
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* =================== STEPPER =================== */
.stepper-nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.stepper-track {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 16px 0;
}
.step-item {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; flex-shrink: 0;
  transition: all 0.2s;
}
.step-circle {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--border); background: var(--bg-surface);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all 0.3s; position: relative; overflow: hidden;
}
.step-num { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); }
.step-check { width: 16px; height: 16px; position: absolute; opacity: 0; transition: opacity 0.3s; }
.step-label { display: flex; flex-direction: column; }
.step-title { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); transition: color 0.3s; }
.step-sub { font-size: 0.68rem; color: var(--text-muted); transition: color 0.3s; }
.step-connector { flex: 1; height: 2px; background: var(--border); margin: 0 8px; min-width: 16px; transition: background 0.3s; }

.step-item.active .step-circle { border-color: var(--accent); background: var(--accent-glow); }
.step-item.active .step-num { color: var(--accent); }
.step-item.active .step-title, .step-item.active .step-sub { color: var(--accent); }

.step-item.completed .step-circle { background: var(--accent); border-color: var(--accent); }
.step-item.completed .step-num { opacity: 0; }
.step-item.completed .step-check { opacity: 1; color: #fff; }
.step-item.completed .step-title, .step-item.completed .step-sub { color: var(--text-secondary); }
.step-connector.done { background: var(--accent); }

/* =================== MAIN LAYOUT =================== */
.app-main { max-width: 1400px; margin: 0 auto; padding: 24px; }
.content-area {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 24px; align-items: start;
}
@media (max-width: 1024px) {
  .content-area { grid-template-columns: 1fr; }
  .summary-panel { order: -1; }
}

/* =================== FORM PANEL =================== */
.form-panel { min-width: 0; }
.step-panel { display: none; animation: fadeSlideIn 0.3s ease; }
.step-panel.active { display: block; }
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.step-header {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px; margin-bottom: 0;
}
.step-icon-wrap {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  background: var(--accent-glow); border: 1px solid var(--accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.step-icon-wrap svg { width: 24px; height: 24px; color: var(--accent); }
.step-title-main { font-size: 1.15rem; font-weight: 800; color: var(--text-primary); }
.step-desc { font-size: 0.825rem; color: var(--text-secondary); margin-top: 2px; }

.form-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: none;
  padding: 24px; display: flex; flex-direction: column; gap: 20px;
}
.step-footer {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-top: 1px solid var(--border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}

/* =================== FORM ELEMENTS =================== */
.form-section { display: flex; flex-direction: column; gap: 12px; }
.section-label { font-size: 0.825rem; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form-grid-2 { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }
.required { color: var(--error); }
.form-input, .form-select, .form-textarea {
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-primary); border-radius: var(--radius-sm);
  padding: 10px 12px; font-size: 0.875rem; font-family: var(--font-main);
  transition: border-color 0.2s, box-shadow 0.2s; width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input:read-only { opacity: 0.6; cursor: default; }
.form-textarea { resize: vertical; min-height: 70px; }
.form-select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238fa3cc'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; padding-right: 32px;
}
.form-hint { font-size: 0.75rem; color: var(--text-muted); }
.input-group { display: flex; align-items: center; gap: 8px; }
.input-sep { color: var(--text-muted); font-weight: 600; flex-shrink: 0; }
.input-unit { font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; white-space: nowrap; }
.input-narrow { width: 70px; flex-shrink: 0; }
.mt-2 { margin-top: 8px; }
.mb-0 { margin-bottom: 0; }
.section-header-row { display: flex; align-items: center; justify-content: space-between; }

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 700; cursor: pointer;
  border: none; transition: all 0.2s; text-decoration: none;
  font-family: var(--font-main); white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-primary {
  background: var(--gradient-accent); color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px var(--accent-glow); filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-surface); color: var(--text-primary); }
.btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent-glow); }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-export {
  padding: 12px 24px; font-size: 0.9rem; border-radius: var(--radius-md);
}
.btn-print { background: var(--gradient-accent); color: #fff; box-shadow: 0 4px 16px var(--accent-glow); }
.btn-copy { background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-secondary); }
.btn-copy:hover { background: var(--bg-card2); color: var(--text-primary); }
.w-full { width: 100%; justify-content: center; }
.mt-3 { margin-top: 12px; }

/* =================== PRESETS =================== */
.preset-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.preset-btn {
  padding: 8px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-surface);
  color: var(--text-secondary); font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s; font-family: var(--font-main);
}
.preset-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* =================== DIVIDER =================== */
.divider-or {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-muted); font-size: 0.8rem;
}
.divider-or::before, .divider-or::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* =================== ROLES TABLE =================== */
.roles-table-wrap { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.roles-table { width: 100%; border-collapse: collapse; }
.roles-table thead { background: var(--bg-surface); }
.roles-table th { padding: 10px 12px; font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-align: left; text-transform: uppercase; letter-spacing: 0.04em; }
.roles-table tbody tr { border-top: 1px solid var(--border); transition: background 0.15s; }
.roles-table tbody tr:hover { background: var(--bg-surface); }
.roles-table td { padding: 10px 12px; }
.th-num { text-align: center; width: 120px; }
.th-act { width: 40px; }
.td-num { text-align: center; }
.td-input { background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; text-align: center; color: var(--text-primary); font-family: var(--font-main); font-size: 0.85rem; width: 80px; }
.td-input:focus { outline: none; border-color: var(--accent); }
.td-role-input { background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; color: var(--text-primary); font-family: var(--font-main); font-size: 0.85rem; width: 100%; }
.td-role-input:focus { outline: none; border-color: var(--accent); }
.btn-del-row { width: 28px; height: 28px; border: none; background: transparent; color: var(--text-muted); cursor: pointer; border-radius: 6px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.btn-del-row:hover { background: rgba(248,113,113,0.15); color: var(--error); }
.btn-del-row svg { width: 14px; height: 14px; }

.empty-state { padding: 40px; text-align: center; color: var(--text-muted); }
.empty-state svg { width: 40px; height: 40px; margin: 0 auto 12px; opacity: 0.5; display: block; }
.empty-state p { font-size: 0.85rem; }
.empty-state strong { color: var(--text-secondary); }

.roles-summary-bar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--bg-surface);
  border: 1px solid var(--border); border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-size: 0.82rem; color: var(--text-secondary);
}
.roles-summary-bar strong { color: var(--text-primary); }
.discount-badge {
  margin-left: auto; background: var(--success); color: #fff;
  padding: 3px 10px; border-radius: 100px; font-size: 0.75rem; font-weight: 700;
}
.job-quick-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.job-quick-btn {
  padding: 6px 12px; border: 1px solid var(--border);
  background: var(--bg-surface); color: var(--text-secondary);
  border-radius: var(--radius-sm); font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s; font-family: var(--font-main);
}
.job-quick-btn:hover { border-color: var(--g1-color); color: var(--g1-color); background: rgba(129,140,248,0.1); }

/* =================== COST GROUPS =================== */
.cost-group { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.cost-group + .cost-group { margin-top: 14px; }
.cost-group-header {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px;
  background: var(--bg-surface);
}
.cost-group-icon {
  width: 42px; height: 42px; border-radius: var(--radius-sm); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.cost-group-icon.g1 { background: rgba(129,140,248,0.15); color: var(--g1-color); }
.cost-group-icon.g2 { background: rgba(52,211,153,0.15); color: var(--g2-color); }
.cost-group-icon.g3 { background: rgba(251,146,60,0.15); color: var(--g3-color); }
.cost-group-icon svg { width: 22px; height: 22px; }
.cost-group-title { flex: 1; min-width: 0; }
.cost-group-title h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }
.cost-group-sub { font-size: 0.75rem; color: var(--text-muted); }
.cost-group-total { font-size: 1rem; font-weight: 800; color: var(--accent); white-space: nowrap; }

.cost-items { padding: 8px 0; }
.cost-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px; transition: background 0.15s;
}
.cost-item:hover { background: var(--bg-surface); }
.cost-item-toggle { position: relative; flex-shrink: 0; }
.cost-toggle-cb { width: 0; height: 0; opacity: 0; position: absolute; }
.cost-toggle-label {
  width: 36px; height: 20px; border-radius: 10px;
  background: var(--bg-surface); border: 1px solid var(--border);
  display: block; cursor: pointer; position: relative; transition: background 0.2s;
}
.cost-toggle-label::after {
  content: ''; position: absolute; width: 14px; height: 14px;
  background: var(--text-muted); border-radius: 50%; top: 2px; left: 2px;
  transition: transform 0.2s, background 0.2s;
}
.cost-toggle-cb:checked + .cost-toggle-label { background: var(--accent); border-color: var(--accent); }
.cost-toggle-cb:checked + .cost-toggle-label::after { transform: translateX(16px); background: #fff; }
.cost-item-info { flex: 1; min-width: 0; }
.cost-item-name { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.cost-item-desc { font-size: 0.75rem; color: var(--text-muted); }
.cost-item-input-wrap { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.cost-unit { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }
.cost-item-input {
  width: 90px; text-align: right; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; color: var(--text-primary); font-family: var(--font-main); font-size: 0.85rem;
}
.cost-item-input:focus { outline: none; border-color: var(--accent); }
.cost-item-total { font-size: 0.875rem; font-weight: 700; color: var(--text-primary); min-width: 80px; text-align: right; }
.cost-item.disabled .cost-item-info, .cost-item.disabled .cost-item-total { opacity: 0.4; }

/* =================== INFO BOX =================== */
.info-box {
  display: flex; gap: 12px; padding: 14px 16px;
  background: rgba(79,143,255,0.06); border: 1px solid rgba(79,143,255,0.2);
  border-radius: var(--radius-md); font-size: 0.82rem; color: var(--text-secondary);
}
.info-box svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.info-box strong { color: var(--text-primary); }

/* =================== DISCOUNT TIERS =================== */
.discount-tiers-row { display: flex; gap: 12px; }
.discount-tier {
  flex: 1; padding: 14px; border-radius: var(--radius-md);
  border: 2px solid var(--border); background: var(--bg-surface);
  text-align: center; transition: all 0.2s;
}
.discount-tier.active { border-color: var(--success); background: rgba(52,211,153,0.1); }
.tier-range { font-size: 0.8rem; font-weight: 700; color: var(--text-secondary); }
.tier-rate { font-size: 1.1rem; font-weight: 800; color: var(--text-primary); margin: 4px 0; }
.discount-tier.active .tier-rate { color: var(--success); }
.tier-note { font-size: 0.72rem; color: var(--text-muted); }

/* =================== PAYMENT STAGES =================== */
.payment-stages { display: flex; flex-direction: column; gap: 10px; }
.payment-stage {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--radius-md); background: var(--bg-surface);
}
.stage-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 800; flex-shrink: 0;
}
.stage-icon.s1 { background: rgba(79,143,255,0.2); color: var(--accent); }
.stage-icon.s2 { background: rgba(251,191,36,0.2); color: var(--warning); }
.stage-icon.s3 { background: rgba(52,211,153,0.2); color: var(--success); }
.stage-info { flex: 1; }
.stage-label { font-size: 0.875rem; font-weight: 700; color: var(--text-primary); }
.stage-desc { font-size: 0.75rem; color: var(--text-muted); }
.stage-input-wrap { display: flex; align-items: center; gap: 6px; }
.stage-pct { width: 70px; text-align: center; }
.payment-total-check {
  display: flex; align-items: center; justify-content: flex-end; gap: 12px;
  padding: 8px 16px; font-size: 0.82rem; color: var(--text-muted);
}
.payment-total-check strong { color: var(--text-primary); font-size: 1rem; }
.check-ok { color: var(--success); font-weight: 700; font-size: 0.82rem; }
.check-err { color: var(--error); font-weight: 700; font-size: 0.82rem; }

/* =================== BANK INFO =================== */
.bank-info-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.bank-row { display: flex; gap: 12px; font-size: 0.85rem; }
.bank-key { color: var(--text-muted); min-width: 110px; flex-shrink: 0; }
.bank-val { color: var(--text-primary); font-weight: 600; }

/* =================== SUMMARY PANEL =================== */
.summary-panel { min-width: 0; }
.summary-sticky { position: sticky; top: 88px; }
.summary-header {
  display: flex; align-items: center; gap: 10px;
  background: var(--gradient-accent); color: #fff;
  padding: 14px 18px; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  font-weight: 700; font-size: 0.9rem;
}
.summary-header svg { width: 20px; height: 20px; flex-shrink: 0; }
.currency-label { margin-left: auto; background: rgba(255,255,255,0.2); padding: 3px 10px; border-radius: 100px; font-size: 0.75rem; }
.summary-body {
  background: var(--bg-card); border: 1px solid var(--border);
  border-top: none; border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 18px;
}
.summary-kpi-row { display: flex; gap: 10px; margin-bottom: 16px; }
.kpi-card {
  flex: 1; background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 12px; text-align: center;
}
.kpi-value { display: block; font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.kpi-label { font-size: 0.72rem; color: var(--text-muted); }
.summary-section-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin: 12px 0 6px; }
.summary-line {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 0; font-size: 0.82rem; color: var(--text-secondary);
  border-bottom: 1px dashed var(--border);
}
.summary-line.indent { padding-left: 12px; }
.summary-line.subtotal { font-weight: 700; border-bottom: 2px solid var(--border); padding-top: 8px; }
.sum-val { font-weight: 700; color: var(--text-primary); text-align: right; }
.sum-bold { font-size: 0.95rem; }
.summary-divider { height: 1px; background: var(--border); margin: 10px 0; }
.summary-discount-row {
  display: flex; justify-content: space-between; font-size: 0.82rem;
  color: var(--text-secondary); padding: 4px 0;
}
.sum-discount { color: var(--success); }
.summary-total-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0 10px;
  border-top: 2px solid var(--accent);
  margin-top: 6px;
}
.total-label { font-size: 0.8rem; font-weight: 800; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.total-values { text-align: right; }
.total-main { display: block; font-size: 1.4rem; font-weight: 900; color: var(--accent); }
.total-sub { display: block; font-size: 0.72rem; color: var(--text-muted); }
.payment-breakdown { background: var(--bg-surface); border-radius: var(--radius-sm); padding: 12px; margin-top: 10px; }
.pb-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 8px; }
.pb-row { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-secondary); padding: 4px 0; }
.pb-row span:last-child { font-weight: 700; color: var(--text-primary); }

/* =================== EXPORT / STEP 5 =================== */
.export-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.quote-preview-wrapper {
  background: #d0d5e0; padding: 24px; border-radius: var(--radius-md);
  overflow: auto;
}
body.light .quote-preview-wrapper { background: #c8ced8; }

/* =================== QUOTE DOCUMENT =================== */
.quote-doc {
  background: #fff; color: #1a2340;
  width: 100%; max-width: 860px; margin: 0 auto;
  padding: 40px 48px; border-radius: 4px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.4);
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
}
.qdoc-header { border-bottom: 3px solid #1e3a8a; padding-bottom: 24px; margin-bottom: 24px; }
.qdoc-logo-row { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 20px; }
.qdoc-co { display: flex; gap: 10px; flex: 1; }
.qdoc-flag { font-size: 1.8rem; }
.qdoc-co-name { font-size: 0.9rem; font-weight: 800; color: #1a2340; }
.qdoc-co-detail { font-size: 0.72rem; color: #4a5880; margin-top: 2px; }
.qdoc-co-vn .qdoc-co-name { color: #b91c1c; }
.qdoc-co-gy .qdoc-co-name { color: #15803d; }
.qdoc-x { font-size: 1.5rem; font-weight: 900; color: #1e3a8a; align-self: center; flex-shrink: 0; }
.qdoc-title-bar { text-align: center; padding: 16px 0 0; }
.qdoc-title { font-size: 1.15rem; font-weight: 900; color: #1e3a8a; text-transform: uppercase; letter-spacing: 0.06em; }
.qdoc-subtitle { font-size: 0.8rem; color: #4a5880; margin-top: 4px; }
.qdoc-meta-row { display: flex; gap: 16px; background: #f0f4ff; border-radius: 8px; padding: 12px 16px; margin-bottom: 20px; flex-wrap: wrap; font-size: 0.8rem; }
.qdoc-meta-item { display: flex; flex-direction: column; gap: 2px; }
.qdoc-meta-key { font-size: 0.68rem; color: #4a5880; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700; }
.qdoc-meta-val { font-weight: 700; color: #1a2340; }
.qdoc-section { margin-bottom: 20px; }
.qdoc-sec-title { font-size: 0.85rem; font-weight: 800; color: #1e3a8a; text-transform: uppercase; letter-spacing: 0.06em; border-bottom: 2px solid #1e3a8a; padding-bottom: 6px; margin-bottom: 12px; }
.qdoc-info-table { width: 100%; border-collapse: collapse; }
.qdoc-info-table td { padding: 6px 10px; font-size: 0.82rem; border-bottom: 1px solid #e2e8f0; }
.qdoc-info-table td:first-child { color: #4a5880; width: 200px; font-weight: 600; }
.qdoc-info-table td:last-child { color: #1a2340; font-weight: 600; }
.qdoc-roles-table { width: 100%; border-collapse: collapse; }
.qdoc-roles-table th { background: #1e3a8a; color: #fff; padding: 8px 12px; font-size: 0.75rem; text-align: left; }
.qdoc-roles-table td { padding: 8px 12px; font-size: 0.82rem; border-bottom: 1px solid #e2e8f0; }
.qdoc-roles-table tr:nth-child(even) td { background: #f8faff; }
.qdoc-roles-table tfoot td { background: #f0f4ff; font-weight: 800; color: #1e3a8a; }
.qdoc-cost-table { width: 100%; border-collapse: collapse; }
.qdoc-cost-table th { background: #f0f4ff; color: #1a2340; padding: 8px 12px; font-size: 0.75rem; text-align: left; font-weight: 700; }
.qdoc-cost-table td { padding: 7px 12px; font-size: 0.8rem; border-bottom: 1px dashed #e2e8f0; color: #1a2340; }
.qdoc-cost-table .group-header td { background: #f8faff; font-weight: 700; color: #1e3a8a; border-bottom: 1px solid #dbeafe; }
.qdoc-cost-table tfoot td { background: #1e3a8a; color: #fff; font-weight: 800; padding: 10px 12px; }
.qdoc-terms p { font-size: 0.8rem; color: #4a5880; margin-bottom: 8px; line-height: 1.7; }
.qdoc-terms strong { color: #1a2340; }
.qdoc-payment-table { width: 100%; border-collapse: collapse; }
.qdoc-payment-table th { background: #f0f4ff; padding: 8px 12px; font-size: 0.75rem; font-weight: 700; text-align: left; }
.qdoc-payment-table td { padding: 8px 12px; font-size: 0.82rem; border-bottom: 1px solid #e2e8f0; }
.qdoc-sign-row { display: flex; gap: 40px; margin-top: 30px; padding-top: 20px; border-top: 1px solid #e2e8f0; }
.qdoc-sign { flex: 1; text-align: center; }
.sign-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #1e3a8a; margin-bottom: 60px; }
.sign-name { font-weight: 800; color: #1a2340; font-size: 0.9rem; border-top: 1px solid #1a2340; padding-top: 6px; }
.sign-role { font-size: 0.75rem; color: #4a5880; }
.sign-area { font-size: 0.72rem; color: #94a3b8; margin-top: 2px; }

/* =================== TOAST =================== */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-primary); border-radius: var(--radius-md);
  padding: 14px 20px; font-size: 0.875rem; font-weight: 600;
  box-shadow: var(--shadow-lg); transform: translateY(100px); opacity: 0;
  transition: transform 0.3s, opacity 0.3s; max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }

/* =================== SCROLLBAR =================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }