/* ==========================================
   style.css — Main / Global Styles
   FormFixer
   ========================================== */

:root,
[data-theme="light"] {
  --blue-dark:   #0a2463;
  --blue-mid:    #1e4fc2;
  --blue-light:  #3a7bd5;
  --blue-pale:   #e8f0fe;
  --blue-ultra:  #f0f5ff;
  --white:       #ffffff;
  --gray:        #6b7a99;
  --gray-light:  #f4f6fb;
  --success:     #10b981;
  --shadow:      0 4px 24px rgba(10,36,99,0.10);
  --shadow-lg:   0 8px 40px rgba(10,36,99,0.16);
  /* Semantic tokens */
  --bg-page:     #f0f5ff;
  --bg-card:     #ffffff;
  --bg-card2:    #f4f6fb;
  --text-primary:#0a2463;
  --text-muted:  #6b7a99;
  --border-col:  #e8f0fe;
  --nav-bg:      #0a2463;
}

[data-theme="dark"] {
  --blue-dark:   #93c5fd;
  --blue-mid:    #60a5fa;
  --blue-light:  #93c5fd;
  --blue-pale:   #1e3a5f;
  --blue-ultra:  #0f172a;
  --white:       #1e293b;
  --gray:        #94a3b8;
  --gray-light:  #1e293b;
  --success:     #34d399;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.6);
  /* Semantic tokens */
  --bg-page:     #0f172a;
  --bg-card:     #1e293b;
  --bg-card2:    #0f172a;
  --text-primary:#e2e8f0;
  --text-muted:  #94a3b8;
  --border-col:  #334155;
  --nav-bg:      #0a1628;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  padding: 3.5rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 250px; height: 250px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}
.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}
.hero h1 span { color: #60a5fa; }
.hero p {
  color: #bfdbfe;
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
  line-height: 1.6;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #e0f2fe;
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* ---- FOOTER ---- */
footer {
  background: var(--blue-dark);
  color: #93c5fd;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.78rem;
  margin-top: 2rem;
}
footer strong {
  color: white;
  font-family: 'Syne', sans-serif;
}
footer span { opacity: 0.7; font-size: 0.72rem; }

/* ---- BUTTONS ---- */
.btn {
  padding: 0.6rem 1.25rem;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-light));
  color: white;
  box-shadow: 0 4px 12px rgba(30,79,194,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(30,79,194,0.4); }
.btn-outline {
  background: white;
  color: var(--blue-mid);
  border: 2px solid var(--blue-pale);
}
.btn-outline:hover { border-color: var(--blue-mid); background: var(--blue-pale); }
.btn-success {
  background: linear-gradient(135deg, #059669, #10b981);
  color: white;
  box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}
.btn-success:hover { transform: translateY(-1px); }
.btn-back {
  background: var(--blue-pale);
  color: var(--blue-mid);
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: inline-flex;
}
.btn-back:hover { background: var(--blue-mid); color: white; }

/* ---- FORM ELEMENTS ---- */
.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-end;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
  min-width: 120px;
}
.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--blue-dark);
  font-family: 'Syne', sans-serif;
}
.form-group input,
.form-group select {
  padding: 0.55rem 0.85rem;
  border: 2px solid var(--blue-pale);
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--blue-dark);
  background: white;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--blue-mid); }

/* ---- STATUS BAR ---- */
.status-bar {
  background: var(--blue-pale);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  color: var(--blue-mid);
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.status-bar.show   { display: flex; }
.status-bar.success { background: #d1fae5; color: #065f46; }
.status-bar.error   { background: #fee2e2; color: #991b1b; }

/* ---- UPLOAD ZONE ---- */
.upload-zone {
  border: 2px dashed #c7d9f8;
  border-radius: 14px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--blue-ultra);
  margin-bottom: 1.25rem;
}
.upload-zone:hover,
.upload-zone.dragover { border-color: var(--blue-mid); background: var(--blue-pale); }
.upload-zone .upload-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.upload-zone h3 {
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 0.3rem;
}
.upload-zone p { font-size: 0.78rem; color: var(--gray); }
.upload-zone input { display: none; }

/* ---- PREVIEW ---- */
.preview-area { display: none; margin-top: 1.25rem; }
.preview-area.show { display: block; }
.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.preview-box {
  background: var(--gray-light);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}
.preview-box label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 0.5rem;
}
.preview-box img {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
  object-fit: contain;
}
.preview-box .dim-info {
  font-size: 0.72rem;
  color: var(--gray);
  margin-top: 0.4rem;
}

/* ---- CONTROLS ---- */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

/* ---- HIDDEN CANVAS ---- */
#hiddenCanvas { display: none; }

/* ---- TOOL PAGE WRAPPER ---- */
.tool-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ---- PANEL ---- */
.tool-panel {
  background: var(--white);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--blue-pale);
}
.panel-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--blue-pale);
}
.panel-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--blue-pale);
  flex-shrink: 0;
}
.panel-title h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-dark);
}
.panel-title p {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: 0.15rem;
}

/* ---- COLOR PICKER ---- */
.color-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.color-btn {
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 3px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.color-btn:hover,
.color-btn.selected { border-color: var(--blue-mid); transform: scale(1.1); }
.color-btn.white  { background: #ffffff; border-color: #ddd; }
.color-btn.blue   { background: #1e4fc2; }
.color-btn.red    { background: #dc2626; }
.color-btn.green  { background: #059669; }
.color-btn.yellow { background: #f59e0b; }

/* ---- PDF LIST ---- */
.pdf-list { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.pdf-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--blue-ultra);
  border-radius: 10px;
  padding: 0.6rem 0.85rem;
}
.pdf-item img { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; }
.pdf-item span { flex: 1; font-size: 0.8rem; color: var(--blue-dark); font-weight: 500; }
.pdf-item .remove-btn { background: none; border: none; cursor: pointer; font-size: 1rem; color: #dc2626; }

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
  .preview-grid { grid-template-columns: 1fr; }
  .tool-page { padding: 1.25rem 1rem; }
  .tool-panel { padding: 1.25rem; }
  .hero { padding: 2.5rem 1.25rem 3rem; }
}

/* ================================================
   DARK MODE OVERRIDES
   ================================================ */

[data-theme="dark"] nav {
  background: var(--nav-bg);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

[data-theme="dark"] .tool-panel {
  background: var(--bg-card);
  border-color: var(--border-col);
}

[data-theme="dark"] .upload-zone {
  background: var(--bg-card2);
  border-color: var(--border-col);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select {
  background: var(--bg-card);
  border-color: var(--border-col);
  color: var(--text-primary);
}

[data-theme="dark"] footer {
  background: #0a1628;
  color: #64748b;
}

[data-theme="dark"] footer strong { color: #e2e8f0; }

[data-theme="dark"] .status-bar { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .status-bar.success { background: #064e3b; color: #34d399; }
[data-theme="dark"] .status-bar.error   { background: #450a0a; color: #fca5a5; }

[data-theme="dark"] .pdf-item { background: var(--bg-card2); }
[data-theme="dark"] .pdf-item span { color: var(--text-primary); }

/* ================================================
   LANG + THEME TOGGLE WIDGET (shared)
   ================================================ */

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.theme-toggle-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: white;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.theme-toggle-btn:hover { background: rgba(255,255,255,0.18); }

.lang-switch {
  display: flex;
  align-items: center;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.2);
  flex-shrink: 0;
}

.lang-btn {
  padding: 0 0.6rem;
  height: 34px;
  border: none;
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.6);
  font-family: 'Syne', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
.lang-btn:hover { background: rgba(255,255,255,0.12); color: white; }
.lang-btn.active {
  background: rgba(96,165,250,0.3);
  color: #fff;
}
.lang-btn + .lang-btn {
  border-left: 1px solid rgba(255,255,255,0.2);
}