/* FShhh — Clean, secure UI */

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-primary: #1CA26E;
  --color-primary-hover: #17895c;
  --color-danger: #dc2626;
  --color-success: #1CA26E;
  --color-warning: #f59e0b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --max-width: 560px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px;
  line-height: 1.6;
}

/* --- Header --- */

.header {
  width: 100%;
  max-width: var(--max-width);
  padding: 24px 0 16px;
}

.header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.header__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  opacity: 0.5;
  transition: opacity 0.15s;
}

.header__brand:hover {
  opacity: 0.8;
}

.header__brand img {
  height: 20px;
  width: auto;
}

.header__title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--color-primary);
  line-height: 1.1;
  text-align: center;
}

.header__subtitle {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 4px;
  text-align: center;
}

/* --- Main Content --- */

.main {
  width: 100%;
  max-width: var(--max-width);
  flex: 1;
}

/* --- Card --- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card__description {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

/* --- Forms --- */

.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

textarea,
input[type="text"],
input[type="email"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s;
}

textarea:focus,
input:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(28, 162, 110, 0.15);
}

textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 13px;
}

select {
  cursor: pointer;
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s, opacity 0.15s;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  width: 100%;
  font-weight: 600;
}

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

.btn--secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-border);
}

.btn--copy {
  padding: 8px 16px;
  font-size: 13px;
  margin-top: 8px;
}

/* --- URL Display --- */

.url-group {
  margin-bottom: 16px;
}

.url-group label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
}

.url-input {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.url-input input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

/* --- Secret Display --- */

.secret-display {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-all;
  margin-bottom: 12px;
}

/* --- Messages --- */

.error-message {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--color-danger);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
}

.success-message {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
}

.warning-message {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
}

.info-message {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  color: #0369a1;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
}

/* --- Status States --- */

.status {
  text-align: center;
  padding: 32px 16px;
}

.status__icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.status__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.status__text {
  font-size: 14px;
  color: var(--color-muted);
}

/* --- Navigation --- */

.nav {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.nav a {
  flex: 1;
  text-align: center;
  padding: 14px 12px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 14px;
  transition: border-color 0.15s, color 0.15s;
}

.nav a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --- Security Notice --- */

.security-notice {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.7;
}

.security-notice__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.security-notice p {
  margin-bottom: 6px;
}

.security-notice p:last-child {
  margin-bottom: 0;
}

/* --- Footer --- */

.footer {
  width: 100%;
  max-width: var(--max-width);
  padding: 24px 0;
  text-align: center;
  font-size: 12px;
  color: var(--color-muted);
}

.footer a {
  color: var(--color-muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--color-primary);
}

/* --- Disclaimer --- */

.disclaimer {
  width: 100%;
  max-width: var(--max-width);
  padding: 0 0 24px;
  font-size: 11px;
  color: #9ca3af;
  line-height: 1.6;
}

.disclaimer a {
  color: #9ca3af;
  text-decoration: underline;
}

/* --- Utility --- */

.hidden {
  display: none !important;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-small { font-size: 13px; }

/* --- Responsive --- */

@media (max-width: 480px) {
  .nav {
    flex-direction: column;
  }
  .card {
    padding: 20px 16px;
  }
  .header__title {
    font-size: 28px;
  }
}