/* ── Reset ────────────────────────────────────────────── */

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

/* ── Design tokens ───────────────────────────────────── */

:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-hover: #1a1a26;
  --border: #1e1e2e;
  --border-focus: #4a3aff;
  --text: #e2e2ea;
  --text-muted: #6e6e82;
  --accent: #6c5ce7;
  --accent-hover: #7d6ff0;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 10px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
}

/* ── Layout ──────────────────────────────────────────── */

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 520px;
}

/* ── Logo / header ───────────────────────────────────── */

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

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo h1 span {
  color: var(--accent);
}

.logo p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ── Card ────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s ease;
}

/* ── Form elements ───────────────────────────────────── */

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

textarea,
select,
input[type="password"],
input[type="email"],
input[type="text"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.875rem;
  padding: 0.75rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea:focus,
select:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="text"]:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(74, 58, 255, 0.15);
}

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

select option {
  background: var(--bg);
  color: var(--text);
}

.field {
  margin-bottom: 1.25rem;
}

.row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.row .field {
  flex: 1;
  margin-bottom: 0;
}

/* ── Toggle / checkbox ───────────────────────────────── */

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  cursor: pointer;
  user-select: none;
}

.toggle-row input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.toggle-row input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle-row input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.toggle-row span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Passphrase field (create page) ──────────────────── */

.passphrase-field {
  display: none;
  margin-bottom: 1.25rem;
  animation: slideDown 0.2s ease;
}

.passphrase-field.visible {
  display: block;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Buttons ─────────────────────────────────────────── */

.btn {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease, opacity 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

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

.btn-copy {
  background: var(--surface-hover);
  color: var(--text);
  border: 1px solid var(--border);
  margin-top: 0.75rem;
}

.btn-copy:hover {
  border-color: var(--accent);
}

.btn-copy.copied {
  border-color: var(--success);
  color: var(--success);
}

.btn-new {
  margin-top: 1.25rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-new:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ── Status messages ─────────────────────────────────── */

.error-text {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 0.35rem;
  display: none;
}

.error-text.visible {
  display: block;
}

.hint-text {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.35rem;
}

/* ── Success state (create page) ─────────────────────── */

.success-state {
  display: none;
}

.success-state.visible {
  display: block;
}

.success-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1.25rem;
}

.link-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  word-break: break-all;
  color: var(--accent);
  line-height: 1.5;
}

.meta {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.meta strong {
  color: var(--text);
  font-weight: 500;
}

.passphrase-reminder {
  margin-top: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Email section (success state) ──────────────────── */

.email-section {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.email-row {
  display: flex;
  gap: 0.5rem;
}

.email-row input[type="email"] {
  flex: 1;
  min-width: 0;
}

.btn-email {
  flex-shrink: 0;
  width: auto;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.btn-email:hover {
  background: var(--accent-hover);
}

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

.email-status {
  font-size: 0.8rem;
  margin-top: 0.5rem;
  min-height: 1.2em;
}

.email-status--success {
  color: var(--success);
}

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

/* ── Secret view (view page) ─────────────────────────── */

.secret-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  font-family: var(--mono);
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
  line-height: 1.5;
  max-height: 300px;
  overflow-y: auto;
}

.destroyed-banner {
  margin-top: 1.25rem;
  padding: 0.6rem 0.75rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--danger);
}

.status-icon {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 1rem;
}

.status-message {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.status-message strong {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

/* ── Submit form (inbound mode) ─────────────────────── */

.submit-label {
  padding: 0.6rem 0.75rem;
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.submit-error {
  padding: 0.6rem 0.75rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--danger);
  margin-bottom: 1.25rem;
}

.submit-notice {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── Mode tabs (create page) ───────────────────────── */

.mode-tabs {
  display: flex;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.mode-tab {
  flex: 1;
  padding: 0.6rem 0.75rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.mode-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Footer ──────────────────────────────────────────── */

.footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer span {
  color: var(--accent);
}