/* ============================================================
   Scanner Tool Styles
   ============================================================ */

/* -- Wrapper -- */
.scanner-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
}

/* -- Header -- */
.scanner-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.scanner-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--button-radius);
  transition: background var(--transition-speed) var(--transition-fn);
  flex-shrink: 0;
}

.scanner-close-btn:hover {
  background: var(--border);
  color: var(--text-primary);
}

.scanner-close-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.scanner-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* -- Content area -- */
.scanner-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  min-height: 0;
}

/* -- Viewfinder (always black -- camera feed background) -- */
.scanner-viewfinder {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4 / 3;
  background: var(--bg);
  border-radius: var(--panel-radius);
  overflow: hidden;
}

.scanner-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* -- Frame overlay with corner markers -- */
.scanner-frame-overlay {
  position: absolute;
  inset: 12%;
  pointer-events: none;
}

.scanner-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
}

.scanner-corner-tl { top: 0; left: 0; border-top-width: 3px; border-left-width: 3px; border-top-left-radius: 4px; }
.scanner-corner-tr { top: 0; right: 0; border-top-width: 3px; border-right-width: 3px; border-top-right-radius: 4px; }
.scanner-corner-bl { bottom: 0; left: 0; border-bottom-width: 3px; border-left-width: 3px; border-bottom-left-radius: 4px; }
.scanner-corner-br { bottom: 0; right: 0; border-bottom-width: 3px; border-right-width: 3px; border-bottom-right-radius: 4px; }

/* Scanning indicator line */
.scanner-scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.7;
  animation: scanner-sweep 2s ease-in-out infinite;
}

@keyframes scanner-sweep {
  0%, 100% { top: 0; }
  50% { top: 100%; }
}

/* -- Capture button -- */
.scanner-capture-wrap {
  width: 100%;
  max-width: 400px;
}

.scanner-capture-btn {
  width: 100%;
}

/* -- Status bar -- */
.scanner-status {
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  min-height: 32px;
}

.scanner-status-error {
  color: var(--error);
}

/* -- Mode tabs -- */
.scanner-tabs {
  display: flex;
  gap: 2px;
  background: var(--border);
  border-radius: var(--button-radius);
  padding: 2px;
  margin-top: auto;
}

.scanner-tab {
  flex: 1;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 6px;
  transition: background var(--transition-speed) var(--transition-fn),
              color var(--transition-speed) var(--transition-fn);
}

.scanner-tab:hover {
  color: var(--text-primary);
}

.scanner-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.scanner-tab-active {
  background: var(--panel);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* -- Manual input -- */
.scanner-manual-form {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
}

.scanner-manual-input {
  font-size: 16px;
  height: 44px;
  text-align: center;
}

.scanner-manual-submit {
  width: 100%;
}

/* -- NFC prompt -- */
.scanner-nfc-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 48px 16px;
}

.scanner-nfc-icon {
  color: var(--accent);
  animation: scanner-nfc-pulse 2s ease-in-out infinite;
}

@keyframes scanner-nfc-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.08); }
}

.scanner-nfc-label {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
}

/* -- NFC Write prompt -- */
.scanner-nfc-write-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 48px 16px;
}

.scanner-nfc-write-icon {
  color: var(--accent);
  animation: scanner-nfc-write-pulse 2s ease-in-out infinite;
}

.scanner-nfc-write-icon.scanner-nfc-writing {
  animation: scanner-nfc-write-active 0.4s ease-in-out infinite;
}

.scanner-nfc-write-icon.scanner-nfc-write-done {
  color: var(--success, #22c55e);
  animation: none;
}

@keyframes scanner-nfc-write-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.08); }
}

@keyframes scanner-nfc-write-active {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.04); }
}

.scanner-nfc-write-label {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
}

.scanner-nfc-write-detail {
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
  font-weight: 500;
}

/* -- Light theme overrides -- */
[data-theme="light"] .scanner-tabs {
  background: rgba(0, 0, 0, 0.06);
}

/* -- Reduced motion -- */
@media (prefers-reduced-motion: reduce) {
  .scanner-scan-line { animation: none; opacity: 0.4; }
  .scanner-nfc-icon { animation: none; }
  .scanner-nfc-write-icon { animation: none; }
}

/* ─── Mobile Responsive ─── */

@media (hover: hover) {
  .scanner-close-btn:hover { background: var(--border); color: var(--text-primary); }
  .scanner-tab:hover { color: var(--text-primary); }
}
@media (hover: none) {
  .scanner-close-btn:hover { background: transparent; }
  .scanner-tab:hover { color: var(--text-secondary); }
}

/* -- Phone (≤640px) -- */
@media (max-width: 640px) {
  /* Wrapper: remove max-width, reduce padding to fill the overlay */
  .scanner-wrapper {
    max-width: none;
    padding: 12px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }

  /* Header: larger close button for touch */
  .scanner-close-btn {
    width: 44px;
    height: 44px;
  }
  .scanner-title {
    font-size: 16px;
  }

  /* Content: fill available space */
  .scanner-content {
    gap: 12px;
  }

  /* Viewfinder: fill width, taller for easier aiming */
  .scanner-viewfinder {
    max-width: none;
    aspect-ratio: 3 / 4;
    border-radius: 12px;
  }

  /* Corner markers: larger for visibility */
  .scanner-corner {
    width: 32px;
    height: 32px;
  }

  /* Capture button: full-width, touch-friendly */
  .scanner-capture-wrap {
    max-width: none;
  }
  .scanner-capture-btn {
    min-height: 44px;
    font-size: 14px;
  }

  /* Status: larger, more readable */
  .scanner-status {
    font-size: 14px;
    padding: 10px 0;
    min-height: 36px;
  }

  /* Tabs: taller touch targets */
  .scanner-tabs {
    padding: 3px;
    gap: 3px;
  }
  .scanner-tab {
    height: 44px;
    font-size: 14px;
    border-radius: 8px;
  }

  /* Manual input: larger submit button */
  .scanner-manual-form {
    max-width: none;
    padding-top: 16px;
  }
  .scanner-manual-submit {
    min-height: 48px;
    font-size: 16px;
  }

  /* NFC prompts: larger icon and text */
  .scanner-nfc-prompt,
  .scanner-nfc-write-prompt {
    padding: 32px 16px;
  }
  .scanner-nfc-label,
  .scanner-nfc-write-label {
    font-size: 16px;
  }
  .scanner-nfc-write-detail {
    font-size: 14px;
  }
}

/* -- Tablet (≤768px, not already phone) -- */
@media (min-width: 641px) and (max-width: 768px) {
  .scanner-wrapper {
    max-width: none;
    padding: 16px 24px;
  }
  .scanner-viewfinder {
    max-width: none;
  }
  .scanner-capture-wrap {
    max-width: none;
  }
  .scanner-manual-form {
    max-width: none;
  }
}