/* ============================================================
   Newsletter Submit — Fort Weekly Dark Theme
   Industrial editorial: dark base, amber accents, Oswald + JetBrains Mono + Source Serif 4
   ============================================================ */

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

:root {
  /* Palette */
  --bg: #111214;
  --bg-deep: #0a0b0d;
  --bg-card: #181a1e;
  --bg-card-alt: #1e2025;
  --bg-input: #15171a;

  --amber: #d4a03c;
  --amber-bright: #e8b94a;
  --amber-dim: #8a6a2a;
  --amber-glow: rgba(212, 160, 60, 0.08);

  --steel: #3a3d44;
  --steel-light: #555860;

  --text: #d8d6d0;
  --text-dim: #8a8a82;
  --text-bright: #f0ece4;

  --rust: #a0522d;
  --green: #5a7a4a;

  --border: #2a2c30;
  --border-light: #222428;

  /* Typography */
  --mono: 'JetBrains Mono', monospace;
  --display: 'Oswald', sans-serif;
  --body: 'Source Serif 4', Georgia, serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Borders & Shadows */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* Links */
a {
  color: var(--amber);
  text-decoration: none;
  transition: color 0.2s;
}
a:visited {
  color: var(--amber);
}
a:hover {
  color: var(--amber-bright);
}

/* Container */
.container {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Header
   ============================================================ */
.newsletter-header {
  text-align: center;
  padding: 60px 0 0;
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.admin-link {
  position: absolute;
  top: 60px;
  left: 24px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
  z-index: 1;
}

.admin-link:hover {
  color: var(--amber);
}

.newsletter-header::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(212,160,60,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.newsletter-header__eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 20px;
  display: block;
}

.newsletter-header__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.8rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-bright);
  line-height: 1;
  margin-bottom: 12px;
}

.newsletter-header__subtitle {
  font-family: var(--body);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto;
}

/* Alias: page-header classes for test compatibility */
.page-header {
  text-align: center;
  padding: 60px 0 0;
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(212,160,60,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-header__eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 20px;
  display: block;
}

.page-header__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.8rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-bright);
  line-height: 1;
  margin-bottom: 12px;
}

/* ============================================================
   Card
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--elevated {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

/* ============================================================
   Form Elements
   ============================================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: var(--space-sm);
}

.form-group label .required {
  color: var(--amber);
  margin-left: 2px;
}

.form-group .hint {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--steel-light);
  margin-top: var(--space-xs);
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="url"] {
  width: 100%;
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem var(--space-md);
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
  appearance: none;
}

input[type="datetime-local"] {
  width: 100%;
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem var(--space-md);
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  filter: invert(0.8);
  cursor: pointer;
}

input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

input::placeholder {
  color: var(--steel-light);
  font-style: italic;
}

/* ============================================================
   Rich Text Editor
   ============================================================ */
.rich-editor {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.rich-editor:focus-within {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

.rich-editor__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: var(--space-sm);
  background: var(--bg-card-alt);
  border-bottom: 1px solid var(--border);
}

.rich-editor__toolbar button {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 30px;
}

.rich-editor__toolbar button:hover {
  color: var(--text);
  background: var(--bg-card);
  border-color: var(--border);
}

.rich-editor__toolbar button.active {
  color: var(--amber);
  background: rgba(212, 160, 60, 0.1);
  border-color: var(--amber-dim);
}

.rich-editor__toolbar .separator {
  width: 1px;
  background: var(--border);
  margin: 0 4px;
}

.rich-editor__content {
  min-height: 160px;
  padding: var(--space-md);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  outline: none;
  background: var(--bg-input);
}

.rich-editor__content:empty::before {
  content: attr(data-placeholder);
  color: var(--steel-light);
  font-style: italic;
}

.rich-editor__content:focus {
  background: #131518;
}

.rich-editor__content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
  filter: brightness(0.9);
}

.rich-editor__content a {
  color: var(--amber);
  text-decoration: underline;
  text-decoration-color: rgba(212, 160, 60, 0.3);
  text-underline-offset: 2px;
}

.rich-editor__content ol,
.rich-editor__content ul {
  padding-left: 1.5em;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.rich-editor__content ol ol,
.rich-editor__content ol ul,
.rich-editor__content ul ol,
.rich-editor__content ul ul {
  margin-top: 0;
  margin-bottom: 0;
}

.rich-editor__content li {
  margin-left: 0;
}

.rich-editor__content li::marker {
  color: var(--text);
}

/* ============================================================
   Hero Image Upload
   ============================================================ */
.hero-upload {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out);
  cursor: pointer;
  position: relative;
}

.hero-upload:hover {
  border-color: var(--amber-dim);
}

.hero-upload__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl);
  color: var(--steel-light);
  text-align: center;
}

.hero-upload__placeholder svg {
  opacity: 0.5;
  margin-bottom: var(--space-xs);
}

.hero-upload__placeholder span {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.hero-upload__hint {
  font-size: 0.65rem !important;
  color: var(--steel-light) !important;
  opacity: 0.7;
}

.hero-upload__preview {
  position: relative;
  display: block;
}

.hero-upload__preview img {
  width: 100%;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  display: block;
  filter: brightness(0.9);
}

.hero-upload__remove {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  border-radius: 50%;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease;
  padding: 0;
}

.hero-upload__remove:hover {
  background: rgba(160, 82, 45, 0.8);
}

.hero-upload__remove svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.8rem 2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  color: var(--bg-deep);
  background: var(--amber);
  border-color: var(--amber);
}

.btn--primary:hover {
  background: var(--amber-bright);
  border-color: var(--amber-bright);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(212, 160, 60, 0.25);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn--secondary {
  color: var(--amber);
  background: transparent;
  border-color: var(--amber);
}

.btn--secondary:hover {
  background: rgba(212, 160, 60, 0.08);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--text-dim);
  background: transparent;
  border-color: transparent;
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--text);
  background: var(--bg-card-alt);
}

.btn--danger {
  color: var(--text);
  background: var(--rust);
  border-color: var(--rust);
}

.btn--danger:hover {
  background: #b5623d;
  border-color: #b5623d;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(160, 82, 45, 0.25);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.65rem;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 0.85rem;
}

/* ============================================================
   Form Actions
   ============================================================ */
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.form-actions__left,
.form-actions__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  animation: slideDown 0.3s var(--ease-out);
}

.alert--success {
  color: var(--green);
  background: rgba(90, 122, 74, 0.12);
  border: 1px solid rgba(90, 122, 74, 0.3);
}

.alert--error {
  color: var(--rust);
  background: rgba(160, 82, 45, 0.12);
  border: 1px solid rgba(160, 82, 45, 0.3);
}

.alert__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

/* ============================================================
   Decorative Divider
   ============================================================ */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider__ornament {
  color: var(--amber-dim);
  font-size: 0.9rem;
}

/* ============================================================
   Footer
   ============================================================ */
.newsletter-footer {
  text-align: center;
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
  border-top: 1px solid var(--border);
}

.newsletter-footer__text {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ============================================================
   Spinner
   ============================================================ */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.5s var(--ease-out);
}

.animate-slide-up {
  animation: slideUp 0.5s var(--ease-out);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .newsletter-header { padding: 40px 0 0; }
  .form-row { grid-template-columns: 1fr; }
  .card { padding: var(--space-lg); }
  .form-actions { flex-direction: column; }
  .form-actions__left,
  .form-actions__right {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .newsletter-header__title { font-size: 2rem; }
  .card { padding: var(--space-md); }
  .rich-editor__toolbar button {
    min-width: 28px;
    height: 28px;
    padding: 0.3rem 0.5rem;
    font-size: 0.65rem;
  }
  .btn { padding: 0.7rem 1.5rem; font-size: 0.7rem; }
}

@media print {
  body::before { display: none; }
  .card { box-shadow: none; border: 1px solid #333; }
  .btn { display: none; }
}