/* ===========================================
   SAU QR Code Generator — Plugin Stylesheet
   =========================================== */

@import url('https://fonts.googleapis.com/css2?family=Libre+Franklin:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Custom Properties ─────────────────────── */
.sqr-app {
  --sqr-navy:        #003087;
  --sqr-navy-dark:   #00205c;
  --sqr-navy-light:  #e8edf8;
  --sqr-red:         #cc0000;
  --sqr-red-dark:    #9e0000;
  --sqr-bg:          #f0f3f9;
  --sqr-card:        #ffffff;
  --sqr-border:      #dde3ef;
  --sqr-border-dk:   #c5cfe0;
  --sqr-text:        #111827;
  --sqr-text-mid:    #4b5a72;
  --sqr-text-muted:  #8a96aa;
  --sqr-success:     #1a7f4b;
  --sqr-success-bg:  #eaf7f0;
  --sqr-radius:      12px;
  --sqr-radius-sm:   7px;
  --sqr-font:        'Libre Franklin', Georgia, serif;
  --sqr-mono:        'JetBrains Mono', monospace;
  --sqr-shadow:      0 1px 3px rgba(0,32,92,.07), 0 4px 16px rgba(0,32,92,.06);
  --sqr-shadow-hover:0 2px 8px rgba(0,32,92,.12), 0 8px 24px rgba(0,32,92,.10);
}

/* ── Layout ─────────────────────────────────── */
.sqr-app {
  font-family: var(--sqr-font);
  font-size: 15px;
  color: var(--sqr-text);
  max-width: 680px;
  margin: 0 auto;
  padding: 4px 0 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Card ───────────────────────────────────── */
.sqr-card {
  background: var(--sqr-card);
  border: 1px solid var(--sqr-border);
  border-radius: var(--sqr-radius);
  box-shadow: var(--sqr-shadow);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.sqr-card:focus-within { box-shadow: var(--sqr-shadow-hover); }

/* ── Card Header ────────────────────────────── */
.sqr-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: linear-gradient(90deg, var(--sqr-navy) 0%, #1a4a9e 100%);
  border-bottom: none;
}
.sqr-card-header--success {
  background: linear-gradient(90deg, var(--sqr-success) 0%, #2ea862 100%);
}
.sqr-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.sqr-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: .01em;
}
.sqr-check-icon {
  width: 22px;
  height: 22px;
  fill: rgba(255,255,255,.9);
  flex-shrink: 0;
}

/* ── Tabs ───────────────────────────────────── */
.sqr-tabs {
  display: flex;
  border-bottom: 1px solid var(--sqr-border);
  background: var(--sqr-navy-light);
}
.sqr-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--sqr-font);
  color: var(--sqr-text-mid);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
  margin-bottom: -1px;
}
.sqr-tab svg { width: 16px; height: 16px; fill: currentColor; }
.sqr-tab:hover { color: var(--sqr-navy); background: rgba(255,255,255,.6); }
.sqr-tab--active {
  color: var(--sqr-navy);
  border-bottom-color: var(--sqr-navy);
  background: var(--sqr-card);
  font-weight: 600;
}

/* ── Tab Panels ─────────────────────────────── */
.sqr-tab-panel { padding: 20px; }
.sqr-tab-panel--hidden { display: none; }

/* ── Dropzone ───────────────────────────────── */
.sqr-dropzone {
  position: relative;
  border: 2px dashed var(--sqr-border-dk);
  border-radius: var(--sqr-radius-sm);
  background: var(--sqr-navy-light);
  cursor: pointer;
  transition: border-color .2s, background .2s;
  outline: none;
}
.sqr-dropzone:hover,
.sqr-dropzone:focus { border-color: var(--sqr-navy); background: #dce5f5; }
.sqr-dropzone.sqr-over { border-color: var(--sqr-navy); background: #d0dcf4; border-style: solid; }

.sqr-drop-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 20px;
  text-align: center;
  gap: 4px;
}
.sqr-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.sqr-drop-icon-wrap { margin-bottom: 6px; }
.sqr-drop-icon { width: 48px; height: 48px; color: var(--sqr-navy); display: block; }
.sqr-drop-main { font-size: 15px; font-weight: 600; color: var(--sqr-text); margin: 0; }
.sqr-drop-sub  { font-size: 13px; color: var(--sqr-text-mid); margin: 4px 0 0; }
.sqr-drop-types { font-size: 12px; color: var(--sqr-text-muted); margin: 4px 0 0; font-family: var(--sqr-mono); }
.sqr-browse-link {
  background: none; border: none; padding: 0;
  color: var(--sqr-navy); font-weight: 600; font-size: 13px;
  cursor: pointer; text-decoration: underline; font-family: inherit;
}

/* ── Upload progress ────────────────────────── */
.sqr-upload-status { margin-top: 12px; }
.sqr-progress-track {
  height: 6px; background: var(--sqr-border);
  border-radius: 99px; overflow: hidden;
}
.sqr-progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--sqr-navy), #4a7fdb);
  border-radius: 99px;
  transition: width .3s ease;
  animation: sqr-shimmer 1.4s infinite;
  background-size: 200% 100%;
}
@keyframes sqr-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.sqr-upload-label { font-size: 13px; color: var(--sqr-text-mid); margin: 8px 0 0; }

/* ── File chip ──────────────────────────────── */
.sqr-file-result { margin-top: 12px; }
.sqr-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--sqr-navy-light);
  border: 1px solid var(--sqr-border);
  border-radius: var(--sqr-radius-sm);
  max-width: 100%;
}
.sqr-file-chip-icon { width: 18px; height: 18px; fill: var(--sqr-navy); flex-shrink: 0; }
.sqr-file-chip-name {
  font-size: 13px; font-weight: 500; font-family: var(--sqr-mono);
  color: var(--sqr-navy-dark); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; max-width: 320px;
}
.sqr-file-chip-remove {
  background: none; border: none; padding: 2px; cursor: pointer;
  color: var(--sqr-text-muted); display: flex; border-radius: 4px;
  transition: color .15s, background .15s;
}
.sqr-file-chip-remove:hover { color: var(--sqr-red); background: #fff0f0; }
.sqr-file-chip-remove svg { width: 16px; height: 16px; fill: currentColor; }
.sqr-file-url-label {
  font-size: 12px; color: var(--sqr-text-muted); margin: 8px 0 0;
}
.sqr-file-url-text {
  color: var(--sqr-navy); font-family: var(--sqr-mono); font-size: 12px;
  word-break: break-all;
}

/* ── URL Input ──────────────────────────────── */
.sqr-url-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid var(--sqr-border-dk);
  border-radius: var(--sqr-radius-sm);
  padding: 0 14px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.sqr-url-wrap:focus-within {
  border-color: var(--sqr-navy);
  box-shadow: 0 0 0 3px rgba(0,48,135,.1);
}
.sqr-url-icon { width: 18px; height: 18px; fill: var(--sqr-text-muted); flex-shrink: 0; }
.sqr-url-input {
  flex: 1; border: none; outline: none; padding: 12px 0;
  font-size: 15px; font-family: var(--sqr-mono); color: var(--sqr-text);
  background: transparent;
}
.sqr-url-hint { font-size: 12px; color: var(--sqr-text-muted); margin: 8px 0 0; }

/* ── Link Type Options ──────────────────────── */
.sqr-link-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 20px 4px;
}
.sqr-link-option {
  display: block;
  cursor: pointer;
  border: 1.5px solid var(--sqr-border);
  border-radius: var(--sqr-radius-sm);
  padding: 14px 16px;
  transition: border-color .15s, background .15s;
}
.sqr-link-option:hover { border-color: var(--sqr-navy); background: var(--sqr-navy-light); }
.sqr-link-option--active { border-color: var(--sqr-navy); background: var(--sqr-navy-light); }
.sqr-link-option input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.sqr-link-option-body {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.sqr-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--sqr-navy);
  flex-shrink: 0;
}
.sqr-link-icon svg { width: 20px; height: 20px; fill: #fff; }
.sqr-link-icon--alt { background: var(--sqr-red); }
.sqr-link-text strong { font-size: 14px; font-weight: 600; display: block; margin-bottom: 3px; }
.sqr-link-text p { font-size: 13px; color: var(--sqr-text-mid); margin: 0; line-height: 1.5; }
.sqr-redirect-name-wrap { padding: 0 20px 20px; }
.sqr-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--sqr-text-mid);
  margin-bottom: 7px;
}
.sqr-label-muted { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 12px; color: var(--sqr-text-muted); }
.sqr-text-input {
  width: 100%; box-sizing: border-box;
  border: 1.5px solid var(--sqr-border-dk);
  border-radius: var(--sqr-radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--sqr-font);
  color: var(--sqr-text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.sqr-text-input:focus {
  border-color: var(--sqr-navy);
  box-shadow: 0 0 0 3px rgba(0,48,135,.1);
}

/* ── Options Grid ───────────────────────────── */
.sqr-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px;
}
.sqr-option-group { display: flex; flex-direction: column; gap: 8px; }
.sqr-option-group--wide { grid-column: 1 / -1; }

/* Select */
.sqr-select-wrap { position: relative; }
.sqr-select {
  appearance: none;
  width: 100%;
  border: 1.5px solid var(--sqr-border-dk);
  border-radius: var(--sqr-radius-sm);
  padding: 10px 36px 10px 14px;
  font-size: 14px;
  font-family: var(--sqr-font);
  color: var(--sqr-text);
  background: #fff;
  cursor: pointer;
  outline: none;
  transition: border-color .2s;
}
.sqr-select:focus { border-color: var(--sqr-navy); box-shadow: 0 0 0 3px rgba(0,48,135,.1); }
.sqr-select-chevron {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  width: 12px; height: 8px;
  pointer-events: none;
  stroke: var(--sqr-text-mid);
}

/* Pill group (bg toggle) */
.sqr-pill-group { display: flex; gap: 8px; }
.sqr-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid var(--sqr-border-dk);
  border-radius: var(--sqr-radius-sm);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.sqr-pill input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.sqr-pill svg { width: 16px; height: 16px; flex-shrink: 0; }
.sqr-pill:hover { border-color: var(--sqr-navy); }
.sqr-pill--active { border-color: var(--sqr-navy); background: var(--sqr-navy-light); color: var(--sqr-navy); }

/* Toggle */
.sqr-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.sqr-toggle input[type="checkbox"] { position: absolute; opacity: 0; pointer-events: none; }
.sqr-toggle-track {
  position: relative;
  width: 44px; height: 24px;
  background: var(--sqr-border-dk);
  border-radius: 12px;
  flex-shrink: 0;
  transition: background .2s;
}
.sqr-toggle input:checked + .sqr-toggle-track { background: var(--sqr-navy); }
.sqr-toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
  transition: transform .2s;
}
.sqr-toggle input:checked ~ .sqr-toggle-track .sqr-toggle-thumb { transform: translateX(20px); }
.sqr-toggle-text { font-size: 14px; font-weight: 500; }
.sqr-toggle-note { font-size: 12px; color: var(--sqr-text-muted); margin: 4px 0 0 54px; line-height: 1.5; }

/* ── Generate button row ────────────────────── */
.sqr-generate-row { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.sqr-btn-generate {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: linear-gradient(135deg, var(--sqr-navy) 0%, #1a4a9e 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--sqr-font);
  border: none;
  border-radius: var(--sqr-radius-sm);
  cursor: pointer;
  letter-spacing: .01em;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s, opacity .15s;
  box-shadow: 0 2px 8px rgba(0,48,135,.3);
  position: relative;
}
.sqr-btn-generate:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,48,135,.35);
}
.sqr-btn-generate:disabled { opacity: .45; cursor: not-allowed; }
.sqr-btn-generate.sqr-loading .sqr-btn-inner { opacity: 0; }
.sqr-btn-generate.sqr-loading .sqr-btn-spinner { display: block; }
.sqr-btn-inner { display: flex; align-items: center; gap: 8px; }
.sqr-btn-inner svg { width: 18px; height: 18px; fill: currentColor; }
.sqr-btn-spinner {
  display: none;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sqr-spin .7s linear infinite;
}
@keyframes sqr-spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

/* ── Error msg ──────────────────────────────── */
.sqr-error-msg {
  font-size: 13px;
  color: var(--sqr-red);
  font-weight: 500;
  margin: 0;
  min-height: 20px;
}

/* ── Secondary button ───────────────────────── */
.sqr-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: 1.5px solid var(--sqr-border-dk);
  border-radius: var(--sqr-radius-sm);
  background: #fff;
  color: var(--sqr-text);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--sqr-font);
  cursor: pointer;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}
.sqr-btn-secondary:hover { border-color: var(--sqr-navy); background: var(--sqr-navy-light); color: var(--sqr-navy); }
.sqr-btn-secondary svg { width: 16px; height: 16px; fill: currentColor; }

/* ── Result card ────────────────────────────── */
.sqr-result-body {
  display: flex;
  gap: 24px;
  padding: 20px;
  align-items: flex-start;
}
.sqr-preview-wrap {
  flex-shrink: 0;
  width: 180px;
  height: 180px;
  border: 1px solid var(--sqr-border);
  border-radius: var(--sqr-radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fc;
}
.sqr-preview-wrap img { width: 100%; height: 100%; object-fit: contain; display: block; }
.sqr-result-side { flex: 1; display: flex; flex-direction: column; gap: 14px; }
.sqr-result-info {
  font-size: 13px; color: var(--sqr-text-mid); line-height: 1.6;
}
.sqr-result-info strong { color: var(--sqr-text); }
.sqr-result-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ── Logged-out notice ──────────────────────── */
.sau-qr-login-notice {
  padding: 14px 18px;
  background: var(--sqr-navy-light);
  border: 1px solid var(--sqr-border);
  border-radius: var(--sqr-radius-sm);
  font-size: 15px;
}
.sau-qr-login-notice a { color: var(--sqr-navy); font-weight: 600; }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 540px) {
  .sqr-options-grid { grid-template-columns: 1fr; }
  .sqr-option-group--wide { grid-column: 1; }
  .sqr-result-body { flex-direction: column; }
  .sqr-preview-wrap { width: 100%; height: auto; aspect-ratio: 1; }
  .sqr-tabs { flex-wrap: wrap; }
}