/* ═══════════════════════════════════════════════════════════════════════════
   UniToolx — Comprehensive Mobile-First Responsive Overrides
   Fixes all mobile/tablet layout issues across the site
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Global Touch & Overflow Safety ────────────────────────────────────── */
html, body {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Prevent anything from causing horizontal scroll */
.container {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* Better touch targets on all interactive elements */
@media (pointer: coarse) {
  button, .btn, a.badge, select, .tab-btn, .type-btn {
    min-height: 44px;
  }
  
  input[type="search"],
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  input[type="url"],
  select,
  textarea {
    font-size: 16px !important; /* Prevent iOS zoom on focus */
  }
}

/* ── Navigation (.nav) — 3-column grid fix ─────────────────────────────── */
@media (max-width: 768px) {
  .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
  }

  .nav .brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .nav .coffee-center {
    flex-shrink: 0;
    order: 0;
  }

  /* Right-side controls div (badges + lang) */
  .nav > div:last-child {
    flex: 1 1 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    justify-content: flex-start;
    order: 10;
  }

  .nav .lang {
    flex: 1 1 0;
    min-width: 120px;
    max-width: none;
  }

  .nav .badge {
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  .nav {
    padding: 10px 0;
    gap: 6px;
  }

  .nav .brand {
    font-size: 1rem;
  }

  .nav > div:last-child {
    gap: 4px;
  }

  .nav .badge {
    padding: 5px 8px;
    font-size: 0.72rem;
  }

  .nav .lang {
    padding: 8px 28px 8px 10px;
    font-size: 0.8125rem;
  }
}

/* ── Topbar (home page) — flex fix ─────────────────────────────────────── */
@media (max-width: 640px) {
  .topbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
  }

  .topbar .brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .topbar-actions {
    flex: 1 1 100%;
    justify-content: stretch;
    gap: 6px;
  }

  .topbar-actions .lang {
    flex: 1;
  }

  .topbar-actions #top-cta {
    display: none;
  }
}

@media (max-width: 380px) {
  .topbar .badge {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
}

/* ── Row / Col layout — reliable stacking ──────────────────────────────── */
@media (max-width: 900px) {
  .row,
  .tool-row {
    flex-direction: column;
  }

  .row .col,
  .tool-row .col,
  .col {
    min-width: 100% !important;
    width: 100%;
  }
}

/* ── Grid System — better mobile breakpoints ──────────────────────────── */
@media (max-width: 639px) {
  .grid > * {
    grid-column: span 12 !important;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .grid > * {
    grid-column: span 6;
  }
}

/* ── Tool Cards — full width on small screens ──────────────────────────── */
@media (max-width: 768px) {
  .tool-card {
    grid-column: span 6 !important;
  }
}

@media (max-width: 560px) {
  .tool-card {
    grid-column: span 12 !important;
    min-height: 170px;
  }

  .tool-icon {
    width: 44px;
    height: 44px;
  }
}

/* ── Tool Header — responsive layout ───────────────────────────────────── */
@media (max-width: 560px) {
  .tool-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .tool-icon-large {
    width: 48px;
    height: 48px;
  }

  .tool-icon-large svg {
    width: 24px;
    height: 24px;
  }

  .tool-title-group h1 {
    font-size: 1.375rem;
  }

  .tool-title-group p {
    font-size: 0.8125rem;
  }

  .tool-title-group {
    min-width: 100% !important;
  }
}

/* ── Tabs — horizontal scroll without overflow ─────────────────────────── */
.tabs {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

@media (max-width: 560px) {
  .tab-btn {
    padding: 10px 12px;
    font-size: 0.8125rem;
  }
  .tab-btn svg {
    width: 16px;
    height: 16px;
  }
}

/* ── Type Selector (QR) — responsive grid ──────────────────────────────── */
@media (max-width: 640px) {
  .type-selector {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .type-selector {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .type-btn {
    padding: 8px 4px;
  }

  .type-btn span {
    font-size: 0.72rem;
  }
}

/* ── Dropzone — mobile friendly ────────────────────────────────────────── */
@media (max-width: 560px) {
  .dropzone {
    padding: var(--space-lg) var(--space-md);
    min-height: 150px;
  }
  
  .dropzone svg {
    width: 40px;
    height: 40px;
  }

  .dropzone p {
    font-size: 0.8125rem;
  }
}

/* ── QR Preview — mobile sizing ────────────────────────────────────────── */
@media (max-width: 480px) {
  .qr-preview {
    min-height: 220px;
    padding: var(--space-lg);
  }

  .qr-preview img {
    max-width: 200px;
    height: auto;
  }
}

/* ── Action Row — stack on mobile ──────────────────────────────────────── */
.action-row {
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .action-row {
    flex-direction: column;
  }

  .action-row > * {
    flex: 1 1 100%;
    width: 100%;
    min-width: 0;
  }

  .action-row button,
  .action-row .btn {
    width: 100%;
  }
}

/* ── Buttons — mobile sizing ───────────────────────────────────────────── */
@media (max-width: 560px) {
  .btn {
    padding: 12px 16px;
    font-size: 0.875rem;
  }

  .btn.mini,
  .btn-sm {
    padding: 8px 12px;
    width: auto;
  }
}

/* ── Settings Grid — stack on small screens ────────────────────────────── */
@media (max-width: 560px) {
  .settings-grid,
  .settings-row {
    grid-template-columns: 1fr !important;
  }
}

@media (min-width: 561px) and (max-width: 768px) {
  .settings-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* ── Format Options — responsive grid ──────────────────────────────────── */
@media (max-width: 480px) {
  .format-options {
    grid-template-columns: 1fr;
  }
}

/* ── Field Row — stack on small screens ────────────────────────────────── */
@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr !important;
  }
}

/* ── Panels — compact padding on mobile ────────────────────────────────── */
@media (max-width: 480px) {
  .panel {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .card {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
  }
}

/* ── Footer (.footer2) — mobile layout ─────────────────────────────────── */
@media (max-width: 640px) {
  .footer2-row {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }

  .footer2-left {
    align-items: center;
  }

  .footer2-right {
    justify-content: center;
    gap: 6px;
  }

  .footer2-right .sep {
    display: inline;
  }

  .footer2-bottom {
    text-align: center;
  }
}

@media (max-width: 380px) {
  .footer2-right {
    flex-direction: column;
    gap: 4px;
  }

  .footer2-right .sep {
    display: none;
  }
}

/* ── File names & text — prevent overflow ──────────────────────────────── */
.file-name,
.file-meta,
.format-notice,
.preview-desc,
.qr-data {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ── Images & media — responsive safety ────────────────────────────────── */
img, svg, video, canvas {
  max-width: 100%;
  height: auto;
}

/* ── Tables — horizontal scroll on mobile ──────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Modal — fullscreen on mobile ──────────────────────────────────────── */
@media (max-width: 560px) {
  .modal {
    max-width: 100vw;
    width: 100%;
    max-height: 100vh;
    max-height: 100dvh;
    border-radius: 0;
    margin: 0;
  }

  .modal-body {
    padding: 16px;
  }

  .modal-header {
    padding: 14px 16px;
  }
}

/* ── Toast notifications — mobile safe ─────────────────────────────────── */
@media (max-width: 480px) {
  .toast {
    left: 8px !important;
    right: 8px !important;
    max-width: calc(100vw - 16px) !important;
    bottom: 16px !important;
  }
}

/* ── Features Grid — responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ── Privacy Note — wrap text ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .privacy-note {
    text-align: center;
    padding: 8px 12px;
    border-radius: var(--radius-md);
  }
}

/* ── Hint/Error boxes — mobile friendly ────────────────────────────────── */
@media (max-width: 480px) {
  .hint-box,
  .error-box {
    padding: 10px 12px;
  }

  .hint-box p,
  .error-box p {
    font-size: 0.8rem;
  }
}

/* ── Rating widget — mobile positioning ────────────────────────────────── */
@media (max-width: 560px) {
  #utx-rating.utx-rating--dock {
    bottom: 12px;
    right: 8px;
    left: 8px;
    width: auto !important;
    max-width: calc(100vw - 16px);
  }
}

/* ── Landscape phones — use more horizontal space ──────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .hero2 {
    min-height: auto;
    padding: var(--space-md) 0;
  }

  .qr-preview {
    min-height: 200px;
  }
}

/* ── Safe area insets (notch phones) ───────────────────────────────────── */
@supports (padding: env(safe-area-inset-bottom)) {
  .footer2 {
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
  }

  .toast {
    bottom: calc(16px + env(safe-area-inset-bottom)) !important;
  }
}