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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --text: #e4e4e7;
  --text-muted: #9ca3af;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --success: #22c55e;
  --warning: #eab308;
  --error: #ef4444;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.subheading {
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.subtitle a,
.setup-section a {
  color: var(--primary);
  text-decoration: none;
}

.subtitle a:hover,
.setup-section a:hover {
  text-decoration: underline;
}

/* Fields */
.field {
  margin-bottom: 1.25rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input[type="text"],
.field textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.field input[type="text"]:focus,
.field textarea:focus {
  border-color: var(--primary);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.field-error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

.field-label-note {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-left: 0.35rem;
}

.field-hint {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.send-hint {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
  text-align: center;
}

.subject-warning {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--warning);
  line-height: 1.3;
}

.copy-url-link {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  text-align: right;
}

.copy-url-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

.copy-url-link.disabled,
.copy-url-link.disabled:hover {
  color: var(--text-muted);
  opacity: 0.35;
  pointer-events: none;
  cursor: not-allowed;
  text-decoration: none;
}

/* Recipients */
.recipients-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 42px;
  align-items: center;
}

.recipients-wrapper:focus-within {
  border-color: var(--primary);
}

.recipients-wrapper input {
  flex: 1;
  min-width: 180px;
  border: none !important;
  background: transparent !important;
  padding: 0.2rem 0.4rem !important;
}

.recipients-list {
  display: contents;
}

.recipient-wrapper {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.recipient-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
  background: var(--border);
}

.recipient-badge[data-trust="https"] { border-left: 3px solid var(--success); }
.recipient-badge[data-trust="dnssec"] { border-left: 3px solid var(--success); }
.recipient-badge[data-trust="dns"] { border-left: 3px solid var(--warning); }
.recipient-badge[data-trust="error"] { border-left: 3px solid var(--error); }
.recipient-badge[data-trust="loading"] { border-left: 3px solid var(--text-muted); opacity: 0.7; }

.recipient-badge .pq-badge {
  display: inline-block;
  padding: 0 0.3rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--primary-hover);
  background: rgba(129, 140, 248, 0.15);
  border: 1px solid rgba(129, 140, 248, 0.4);
  border-radius: 3px;
  line-height: 1.3;
}

.recipient-badge .pq-badge[hidden] {
  display: none;
}

.recipient-badge .remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0.15rem;
  line-height: 1;
}

.recipient-badge .remove-btn:hover {
  color: var(--error);
}

.recipient-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding-left: 0.25rem;
  max-width: 320px;
  line-height: 1.3;
}

.recipient-note[hidden] {
  display: none;
}

/* Privacy notice */
.privacy-notice {
  position: relative;
  margin-bottom: 1.5rem;
  padding: 1rem 2.25rem 1rem 1rem;
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: var(--text);
  font-size: 0.85rem;
}

.privacy-notice[hidden] {
  display: none;
}

.privacy-notice h2 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--primary-hover);
}

.privacy-notice ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.privacy-notice li + li {
  margin-top: 0.3rem;
}

.privacy-notice-dismiss {
  position: absolute;
  top: 0.4rem;
  right: 0.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.3rem;
}

.privacy-notice-dismiss:hover {
  color: var(--text);
}

/* Recent recipients */
.recent-recipients {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.recent-recipients[hidden] {
  display: none;
}

.recent-recipients-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.recent-recipients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.recent-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-family: inherit;
  cursor: pointer;
}

.recent-chip:hover {
  border-color: var(--primary);
  color: var(--text);
}

.recent-chip:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.recent-chip-remove {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1;
  padding: 0 0.1rem;
}

.recent-chip-remove:hover {
  color: var(--error);
}

.recent-clear-btn {
  margin-left: auto;
  padding: 0.15rem 0.4rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-family: inherit;
  cursor: pointer;
}

.recent-clear-btn:hover {
  border-color: var(--error);
  color: var(--error);
}

/* Trust warning */
.trust-warning {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius);
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  font-size: 0.85rem;
  color: var(--warning);
}

.trust-warning[hidden] {
  display: none;
}

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  color: var(--text-muted);
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.file-list {
  list-style: none;
  margin-top: 0.5rem;
}

.file-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.3rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.file-list li button {
  background: none;
  border: none;
  color: var(--error);
  cursor: pointer;
  font-size: 0.8rem;
}

.size-warning {
  margin-top: 0.5rem;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius);
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  font-size: 0.8rem;
  color: var(--warning);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.size-warning[hidden] {
  display: none;
}

/* Progress */
.progress-section {
  margin-bottom: 1.25rem;
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Send button */
.send-btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.send-btn:hover:not(:disabled) {
  background: var(--primary-hover);
}

.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Status */
.status {
  margin-top: 1rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: center;
}

.status.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
}

.status.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  white-space: pre-line;
  text-align: left;
}

.status.partial {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: var(--warning);
  white-space: pre-line;
  text-align: left;
}

.record-download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  white-space: normal;
}

.record-download-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.record-download-btn {
  padding: 0.35rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
}

.record-download-btn:hover {
  border-color: var(--primary);
}

/* Footer */
footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Setup section */
.setup-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.setup-section h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.setup-section h3 {
  font-size: 0.9rem;
  margin: 1rem 0 0.4rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.setup-section p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
}

/* Debug section */
.debug-section {
  margin-top: 3rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.06);
}

.debug-section h2 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.debug-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.debug-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.debug-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.3rem;
}

.debug-controls input {
  width: 96px;
  padding: 0.45rem 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

.debug-controls button,
.debug-test-btn {
  padding: 0.45rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
}

.debug-controls button:hover,
.debug-test-btn:hover {
  border-color: var(--primary);
}

.debug-meta-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.debug-result {
  margin-top: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem;
  min-height: 70px;
  font-family: monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
}