/* ============================================================
   ORVYM LABS — AI Invoice & Quotation Generator
   style.css — Premium SaaS Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS Variables ────────────────────────────────────────── */
:root {
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Dark Mode (default) */
  --bg-base:        #0a0a0b;
  --bg-surface:     #111114;
  --bg-card:        #17171c;
  --bg-card-hover:  #1e1e25;
  --bg-input:       #1a1a20;
  --bg-glass:       rgba(255,255,255,0.04);
  --bg-glass-hover: rgba(255,255,255,0.07);

  --border-subtle:  rgba(255,255,255,0.06);
  --border-medium:  rgba(255,255,255,0.10);
  --border-strong:  rgba(255,255,255,0.18);

  --text-primary:   #f0f0f3;
  --text-secondary: #9898a8;
  --text-muted:     #5a5a6a;
  --text-inverse:   #0a0a0b;

  --accent:         #7c6dfa;
  --accent-dim:     rgba(124,109,250,0.15);
  --accent-glow:    rgba(124,109,250,0.35);
  --accent-light:   #a99dff;

  --success:        #34d399;
  --success-dim:    rgba(52,211,153,0.12);
  --warning:        #fbbf24;
  --warning-dim:    rgba(251,191,36,0.12);
  --danger:         #f87171;
  --danger-dim:     rgba(248,113,113,0.12);

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.7);
  --shadow-glow: 0 0 40px rgba(124,109,250,0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="light"] {
  --bg-base:        #f4f4f6;
  --bg-surface:     #ffffff;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f9f9fb;
  --bg-input:       #f4f4f6;
  --bg-glass:       rgba(0,0,0,0.03);
  --bg-glass-hover: rgba(0,0,0,0.06);

  --border-subtle:  rgba(0,0,0,0.06);
  --border-medium:  rgba(0,0,0,0.10);
  --border-strong:  rgba(0,0,0,0.18);

  --text-primary:   #0f0f13;
  --text-secondary: #5a5a6e;
  --text-muted:     #a0a0b0;
  --text-inverse:   #ffffff;

  --accent:         #6055e8;
  --accent-dim:     rgba(96,85,232,0.10);
  --accent-glow:    rgba(96,85,232,0.25);
  --accent-light:   #7c6dfa;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.14);
  --shadow-glow: 0 0 40px rgba(96,85,232,0.10);
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Typography ─────────────────────────────────────────────── */
h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }

/* ─── Layout Containers ─────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ─── Animations ─────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
  0%,100% { box-shadow: 0 0 20px var(--accent-glow); }
  50%      { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px rgba(124,109,250,0.15); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes counter {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes float {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-6px); }
}

.animate-fadeUp   { animation: fadeUp 0.5s ease forwards; }
.animate-fadeIn   { animation: fadeIn 0.4s ease forwards; }
.animate-delay-1  { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2  { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3  { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4  { animation-delay: 0.4s; opacity: 0; }
.animate-float    { animation: float 4s ease-in-out infinite; }

/* ─── Glass Card ─────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-medium);
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--radius-md); border: none;
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all var(--transition); white-space: nowrap;
  text-decoration: none; outline: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-glass); color: var(--text-primary);
  border: 1px solid var(--border-medium);
}
.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent; color: var(--text-secondary);
  border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--bg-glass); color: var(--text-primary); border-color: var(--border-subtle); }

.btn-danger {
  background: var(--danger-dim); color: var(--danger);
  border: 1px solid rgba(248,113,113,0.2);
}
.btn-danger:hover { background: rgba(248,113,113,0.2); }

.btn-success {
  background: var(--success); color: #000;
  box-shadow: 0 4px 14px rgba(52,211,153,0.3);
}
.btn-success:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(52,211,153,0.4); }

.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-full { width: 100%; }

.btn-icon {
  width: 36px; height: 36px; padding: 0;
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  color: var(--text-secondary); border-radius: var(--radius-sm);
}
.btn-icon:hover { background: var(--bg-glass-hover); color: var(--text-primary); border-color: var(--border-medium); }

/* ─── Form Elements ──────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.06em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-card);
}
.form-select { cursor: pointer; }
.form-textarea { resize: vertical; min-height: 80px; }

/* ─── Toggle ────────────────────────────────────────────────── */
.toggle {
  position: relative; display: inline-block; width: 44px; height: 24px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--bg-glass); border: 1px solid var(--border-medium);
  border-radius: 999px; transition: all var(--transition);
}
.toggle-slider::before {
  content: ''; position: absolute;
  width: 18px; height: 18px;
  left: 2px; top: 50%; transform: translateY(-50%);
  background: var(--text-muted); border-radius: 50%;
  transition: all var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px) translateY(-50%); background: #fff; }

/* ─── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
}
.badge-accent { background: var(--accent-dim); color: var(--accent-light); border: 1px solid rgba(124,109,250,0.2); }
.badge-success { background: var(--success-dim); color: var(--success); border: 1px solid rgba(52,211,153,0.2); }
.badge-warning { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(251,191,36,0.2); }

/* ─── Divider ─────────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border-subtle); margin: 20px 0; }

/* ─── Loading Spinner ─────────────────────────────────────────── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-medium);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* ─── Skeleton Loader ─────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ─── Notification Toast ──────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999; display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px; font-weight: 500;
  animation: fadeUp 0.3s ease;
  pointer-events: all;
  min-width: 240px; max-width: 320px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--accent); }
.toast-icon { font-size: 16px; flex-shrink: 0; }

/* ─── HEADER ─────────────────────────────────────────────────── */
#main-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,11,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-slow);
}
[data-theme="light"] #main-header {
  background: rgba(244,244,246,0.85);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: 1280px; margin: 0 auto;
}
.header-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 18px; font-weight: 800;
  color: var(--text-primary); text-decoration: none;
}
.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #c084fc);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: #fff;
  box-shadow: 0 4px 12px var(--accent-glow);
}
.header-actions { display: flex; align-items: center; gap: 10px; }

.mode-tabs {
  display: flex; align-items: center;
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 3px; gap: 2px;
}
.mode-tab {
  padding: 6px 14px; border-radius: 8px; border: none;
  background: transparent; color: var(--text-secondary);
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
}
.mode-tab.active {
  background: var(--accent); color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.theme-btn {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background: var(--bg-glass); color: var(--text-secondary);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all var(--transition);
}
.theme-btn:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

/* ─── HERO ───────────────────────────────────────────────────── */
#hero {
  padding: 60px 24px 40px;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(124,109,250,0.12), transparent);
}
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 14px;
}
.hero-sub { font-size: 16px; color: var(--text-secondary); max-width: 500px; margin: 0 auto 28px; }
.hero-stats {
  display: flex; justify-content: center; gap: 40px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-family: var(--font-display); font-size: 28px; font-weight: 700;
  color: var(--accent-light); display: block; animation: counter 0.5s ease;
}
.hero-stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ─── MAIN LAYOUT ────────────────────────────────────────────── */
#app-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "builder preview"
    "ai      preview"
    "history history";
  gap: 20px;
  max-width: 1280px; margin: 0 auto; padding: 0 24px 40px;
}
@media (max-width: 1024px) {
  #app-layout {
    grid-template-columns: 1fr;
    grid-template-areas: "builder" "ai" "preview" "history";
  }
}
@media (max-width: 768px) { #app-layout { padding: 0 16px 32px; } }

/* ─── SECTION CARD ───────────────────────────────────────────── */
.section-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.section-card:hover { box-shadow: var(--shadow-md); }

.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.section-title {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  color: var(--text-primary);
}
.section-icon {
  width: 28px; height: 28px;
  background: var(--accent-dim); border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--accent-light);
}

/* ─── BUILDER ────────────────────────────────────────────────── */
#builder-panel { grid-area: builder; }

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .form-grid-2 { grid-template-columns: 1fr; } }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
@media (max-width: 600px) { .form-grid-3 { grid-template-columns: 1fr 1fr; } }

/* Logo Upload */
.logo-upload-zone {
  border: 2px dashed var(--border-medium); border-radius: var(--radius-md);
  padding: 20px; text-align: center; cursor: pointer;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.logo-upload-zone:hover { border-color: var(--accent); background: var(--accent-dim); }
.logo-upload-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.logo-preview {
  max-height: 60px; max-width: 180px;
  object-fit: contain; margin: 0 auto; display: block;
}
.logo-upload-hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* Line Items Table */
.items-table-wrap { overflow-x: auto; margin-top: 4px; }
.items-table {
  width: 100%; border-collapse: collapse; min-width: 500px;
}
.items-table th {
  text-align: left; padding: 8px 10px;
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.07em;
  border-bottom: 1px solid var(--border-subtle);
}
.items-table td { padding: 6px 4px; vertical-align: middle; }
.items-table .item-row:hover td { background: var(--bg-glass); }
.items-table .item-row td:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.items-table .item-row td:last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.items-table td .form-input { min-width: 60px; }
.item-desc-input { min-width: 140px !important; }
.item-subtotal {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--text-primary); font-weight: 500; white-space: nowrap;
  padding: 0 10px;
}

/* Totals */
.totals-box {
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 16px 18px; margin-top: 14px;
}
.total-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 0; font-size: 14px; color: var(--text-secondary);
}
.total-row.grand-total {
  border-top: 1px solid var(--border-medium); margin-top: 8px; padding-top: 12px;
  font-size: 18px; font-weight: 700; color: var(--text-primary);
  font-family: var(--font-display);
}
.total-amount { font-family: var(--font-mono); font-weight: 600; }

/* Currency & settings row */
.settings-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 12px 14px; margin-bottom: 16px;
}
.settings-row .form-label { white-space: nowrap; }
.settings-item { display: flex; align-items: center; gap: 8px; }

/* ─── AI PANEL ───────────────────────────────────────────────── */
#ai-panel { grid-area: ai; }

.ai-tabs {
  display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px;
}
.ai-tab {
  padding: 6px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass); color: var(--text-secondary);
  font-size: 12px; font-weight: 500; cursor: pointer;
  transition: all var(--transition);
}
.ai-tab:hover { background: var(--bg-glass-hover); color: var(--text-primary); }
.ai-tab.active {
  background: var(--accent-dim); color: var(--accent-light);
  border-color: rgba(124,109,250,0.3);
}

.ai-module { display: none; }
.ai-module.active { display: block; animation: fadeIn 0.3s ease; }

.ai-result-box {
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 14px;
  font-size: 13px; color: var(--text-secondary); line-height: 1.7;
  min-height: 80px; white-space: pre-wrap; font-family: var(--font-body);
  transition: all var(--transition);
}
.ai-result-box.loading {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.ai-result-placeholder { color: var(--text-muted); font-style: italic; font-size: 13px; }

.ai-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

.price-suggestions {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 10px;
}
.price-card {
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 12px;
  text-align: center; cursor: pointer; transition: all var(--transition);
}
.price-card:hover { border-color: var(--accent); background: var(--accent-dim); }
.price-card-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.price-card-value { font-family: var(--font-mono); font-size: 18px; font-weight: 600; color: var(--text-primary); margin: 4px 0; }
.price-card-note { font-size: 11px; color: var(--text-secondary); }

/* ─── PREVIEW PANEL ──────────────────────────────────────────── */
#preview-panel { grid-area: preview; position: sticky; top: 80px; }

.preview-controls {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px;
}

#invoice-preview-wrap {
  background: #fff; color: #0f0f13;
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.06);
  transform-origin: top center; transition: transform var(--transition);
}
.preview-zoom {
  overflow: auto; max-height: 72vh;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

/* ─── INVOICE DOCUMENT STYLES ────────────────────────────────── */
/* These apply inside the white preview area */
#invoice-doc {
  width: 100%; background: #fff; color: #111;
  font-family: 'DM Sans', sans-serif; font-size: 13px;
  padding: 40px; min-height: 540px;
}
.inv-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 32px; flex-wrap: wrap; gap: 20px;
}
.inv-company-logo { max-height: 52px; max-width: 140px; object-fit: contain; }
.inv-company-name { font-size: 20px; font-weight: 800; color: #0f0f13; font-family: "Space Grotesk", sans-serif;; }
.inv-company-sub  { font-size: 12px; color: #666; margin-top: 2px; }

.inv-title-block { text-align: right; }
.inv-doc-type {
  font-size: 28px; font-weight: 800; color: #111;
  font-family: "Space Grotesk", sans-serif;; text-transform: uppercase; letter-spacing: -0.02em;
}
.inv-number { font-size: 13px; color: #888; font-family: 'JetBrains Mono', monospace; margin-top: 4px; }
.inv-status-badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  background: #e8faf4; color: #059669; border: 1px solid #a7f3d0;
  margin-top: 8px;
}

.inv-meta-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px; margin-bottom: 28px;
}
.inv-meta-label { font-size: 10px; color: #aaa; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.inv-meta-value { font-size: 13px; color: #333; margin-top: 3px; font-weight: 500; }
.inv-meta-value strong { font-size: 14px; color: #111; font-weight: 700; }

.inv-line-items { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.inv-line-items th {
  text-align: left; padding: 8px 10px;
  background: #f8f8fb; font-size: 11px; font-weight: 600;
  color: #888; text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid #eee;
}
.inv-line-items th:last-child,
.inv-line-items td:last-child { text-align: right; }
.inv-line-items td {
  padding: 9px 10px; font-size: 13px;
  border-bottom: 1px solid #f0f0f0; color: #333;
}
.inv-line-items tr:last-child td { border-bottom: none; }
.inv-item-desc { font-weight: 500; color: #111; }
.inv-item-sub  { font-size: 11px; color: #999; margin-top: 2px; }
.inv-mono      { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

.inv-totals-wrap {
  display: flex; justify-content: flex-end; margin-bottom: 24px;
}
.inv-totals-table { width: 220px; }
.inv-total-row {
  display: flex; justify-content: space-between;
  padding: 5px 0; font-size: 13px; color: #666;
}
.inv-total-row.grand {
  border-top: 2px solid #111; margin-top: 8px; padding-top: 10px;
  font-size: 16px; font-weight: 800; color: #111; font-family: "Space Grotesk", sans-serif;;
}
.inv-total-mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

.inv-notes-section { margin-top: 24px; border-top: 1px solid #f0f0f0; padding-top: 18px; }
.inv-notes-title { font-size: 10px; color: #aaa; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 6px; }
.inv-notes-body { font-size: 12px; color: #666; line-height: 1.7; }

.inv-footer {
  margin-top: 32px; padding-top: 16px; border-top: 1px solid #f0f0f0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: #bbb;
}

.inv-accent-bar {
  height: 4px; width: 100%;
  background: linear-gradient(90deg, #7c6dfa, #c084fc);
  margin-bottom: 0; border-radius: 0;
}

/* ─── HISTORY ─────────────────────────────────────────────────── */
#history-panel { grid-area: history; }

.history-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }

.history-card {
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 14px 16px;
  cursor: pointer; transition: all var(--transition);
}
.history-card:hover { background: var(--bg-glass-hover); border-color: var(--border-medium); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.history-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.history-card-num { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text-primary); }
.history-card-type { font-size: 10px; }
.history-card-client { font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.history-card-amount { font-family: var(--font-mono); font-size: 16px; font-weight: 700; color: var(--accent-light); }
.history-card-date { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.history-empty { text-align: center; color: var(--text-muted); padding: 32px; font-size: 14px; }

/* ─── EXPORT SECTION ─────────────────────────────────────────── */
.export-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
.export-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 16px; border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle); background: var(--bg-glass);
  color: var(--text-primary); cursor: pointer;
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  transition: all var(--transition); text-align: center;
}
.export-btn:hover { background: var(--bg-glass-hover); border-color: var(--border-medium); transform: translateY(-1px); }
.export-btn.primary-export {
  grid-column: span 2;
  background: var(--accent); color: #fff; border-color: transparent;
  font-size: 14px; padding: 14px;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.export-btn.primary-export:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.export-btn-icon { font-size: 18px; }

/* ─── FOOTER ──────────────────────────────────────────────────── */
#main-footer {
  text-align: center; padding: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px; color: var(--text-muted);
}
#main-footer span {
  transition: color var(--transition);
  cursor: default;
}
#main-footer span:hover { color: var(--accent-light); }

/* ─── API KEY MODAL ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--bg-card); border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl); padding: 28px;
  max-width: 440px; width: 100%;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: fadeUp 0.3s ease;
}
.modal-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.modal-sub { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }

/* ─── Discount input ──────────────────────────────────────────── */
.discount-row { display: flex; align-items: center; gap: 10px; }
.discount-row .form-input { flex: 1; }
.discount-type { 
  padding: 10px 12px; background: var(--bg-input); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all var(--transition); min-width: 46px; text-align: center;
}
.discount-type:hover { border-color: var(--border-medium); color: var(--text-primary); }
.discount-type.pct { color: var(--accent-light); }

/* ─── Responsive tweaks ──────────────────────────────────────── */
@media (max-width: 600px) {
  .header-inner { padding: 12px 16px; }
  .mode-tabs { display: none; }
  .hero-stats { gap: 24px; }
  .price-suggestions { grid-template-columns: 1fr 1fr; }
  .export-grid { grid-template-columns: 1fr; }
  .export-btn.primary-export { grid-column: span 1; }
  .inv-meta-grid { grid-template-columns: 1fr; }
  #invoice-doc { padding: 24px; }
}

.inv-status-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.5px;
}

.status-pending{
  background:#fef3c7;
  color:#92400e;
}

.status-paid{
  background:#dcfce7;
  color:#166534;
}

.status-partially-paid{
  background:#dbeafe;
  color:#1d4ed8;
}

.status-overdue{
  background:#fee2e2;
  color:#b91c1c;
}

.status-draft{
  background:#e0e7ff;
  color:#4338ca;
}

.status-cancelled{
  background:#f3f4f6;
  color:#6b7280;
}
html[data-theme="dark"] #theme-btn img{filter: invert(1) brightness(1.2); transform:rotate(180deg); transition: all 3s ease;}
html[data-theme="dark"] .header-logo img{filter: brightness(100);  transition: all 3s ease;}

.ai-status{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:rgba(255,255,255,.05);
}

.status-dot{
  width:10px;
  height:10px;
  border-radius:50%;
}

.ai-status.connected .status-dot{
  background:#10b981;
  box-shadow:0 0 10px #10b981;
}

.ai-status.checking .status-dot{
  background:#f59e0b;
  animation:pulse 1s infinite;
}

.ai-status.disconnected .status-dot{
  background:#ef4444;
}

@keyframes pulse{
  0%{opacity:.4}
  50%{opacity:1}
  100%{opacity:.4}
}