/* ============================================================
   QuotesDB — Main Stylesheet
   Convention: BEM (Block__Element--Modifier)
   Color scheme: neutral (gray scale with indigo accent)
   ============================================================ */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  --color-bg: #f9f9f9;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1a202c;
  --color-text-muted: #718096;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-success: #16a34a;
  --color-error-bg: #fef2f2;
  --color-error-border: #fecaca;
  --color-code-bg: #f1f5f9;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Fira Code", "Cascadia Code", "Consolas", monospace;
}

/* ── Base / Reset ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

blockquote {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  border-left: 4px solid var(--color-accent);
  padding: 0.5rem 1rem;
  margin: 0;
  background-color: var(--color-code-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

input, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

textarea {
  resize: vertical;
  min-height: 6rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: var(--shadow);
}

.nav__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
}

.nav__brand:hover {
  color: var(--color-accent-hover);
  text-decoration: none;
}

.nav__links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav__link {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

.nav__link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Main Content Container ────────────────────────────────── */
.main-content {
  flex: 1;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Site Footer ───────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-footer a {
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: var(--color-bg);
  text-decoration: none;
}

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

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
}

.btn--danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #ffffff;
}

.btn--danger:hover {
  background: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
  color: #ffffff;
}

.btn--muted {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.btn--muted:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

/* ── QuoteCard ─────────────────────────────────────────────── */
.quote-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.quote-card__text {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.quote-card__footer {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.quote-card__author {
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.quote-card__author:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

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

.quote-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.quote-card__tag {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.quote-card__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
}

.quote-card__link:hover {
  color: var(--color-accent-hover);
}

/* ── Error Display ─────────────────────────────────────────── */
.error-display {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  margin-bottom: 1rem;
}

.error-display__message {
  color: var(--color-danger);
  font-size: 0.95rem;
}

/* ── Pagination ────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.pagination__btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.pagination__btn:hover:not(:disabled) {
  background: var(--color-bg);
  border-color: var(--color-accent);
}

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

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

/* ── Report Modal ──────────────────────────────────────────── */
.report-modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.report-modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  padding: 2rem;
  width: 100%;
  max-width: 480px;
}

.report-modal__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.report-modal__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.report-modal__field {
  margin-bottom: 1.25rem;
}

.report-modal__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.report-modal__textarea {
  width: 100%;
  min-height: 5rem;
}

.report-modal__counter {
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.report-modal__captcha {
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: center;
}

.report-modal__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ── Quote Detail — hidden badge ───────────────────────────── */
.page-quote__hidden-badge {
  background: #fefce8;
  border: 1px solid #fde047;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  color: #854d0e;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ── Quote Detail — report success notice ──────────────────── */
.page-quote__report-success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  margin-bottom: 1rem;
  color: var(--color-success);
  font-size: 0.95rem;
}

/* ── Auth Modal ────────────────────────────────────────────── */
.auth-modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.auth-modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

.auth-modal__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.auth-modal__hint {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.auth-modal__input {
  margin-bottom: 1rem;
}

.auth-modal__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ── Home Page ─────────────────────────────────────────────── */
.page-home {
  text-align: center;
}

.page-home__title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.page-home__subtitle {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.page-home__loading {
  color: var(--color-text-muted);
  font-style: italic;
}

.page-home__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* ── Browse Page ───────────────────────────────────────────── */
.page-browse__title {
  margin-bottom: 1.5rem;
}

/* Row containing the toggle button, sits above the collapsible panel */
.page-browse__filter-toggle-row {
  margin-bottom: 0.75rem;
}

/* Toggle button — inherits .btn base styles */
.page-browse__filter-toggle {
  font-size: 0.9rem;
}

/* Collapsible filter panel — shown only when open */
.page-browse__filters {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

/* A single filter row: label + input(s) on one line */
.page-browse__filter-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Fixed-width label so all inputs line up vertically */
.page-browse__filter-label {
  flex-shrink: 0;
  width: 4.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
}

/* Text / number inputs inside the filter panel */
.page-browse__filter-input {
  flex: 1;
  max-width: 260px;
}

/* Narrower year inputs for the date range row */
.page-browse__filter-input--year {
  max-width: 120px;
}

/* Inner group for the date range row: "after [input] before [input]" */
.page-browse__filter-date-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Small inline text labels ("after" / "before") */
.page-browse__filter-date-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.page-browse__loading,
.page-browse__empty {
  color: var(--color-text-muted);
  font-style: italic;
}

.page-browse__list {
  display: flex;
  flex-direction: column;
}

/* ── Quote Detail Page ─────────────────────────────────────── */
.page-quote__loading {
  color: var(--color-text-muted);
  font-style: italic;
}

.page-quote__actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Edit form */
.edit-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.edit-form__field {
  margin-bottom: 1rem;
}

.edit-form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.edit-form__input,
.edit-form__textarea {
  width: 100%;
}

.edit-form__actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ── Author Page ───────────────────────────────────────────── */
.page-author__title {
  margin-bottom: 1rem;
}

.page-author__filters {
  margin-bottom: 1.5rem;
}

.page-author__filter-input {
  max-width: 240px;
}

.page-author__loading,
.page-author__empty {
  color: var(--color-text-muted);
  font-style: italic;
}

.page-author__list {
  display: flex;
  flex-direction: column;
}

/* ── Submit Page ───────────────────────────────────────────── */
.page-submit__title {
  margin-bottom: 1.5rem;
}

.submit-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 600px;
}

.submit-form__field {
  margin-bottom: 1.25rem;
}

.submit-form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.submit-form__input,
.submit-form__textarea {
  width: 100%;
}

.submit-form__actions {
  margin-top: 1.5rem;
}

/* Success state */
.page-submit--success {
  text-align: left;
}

.page-submit__auth-code-box {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 1rem;
}

.page-submit__auth-code {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 600;
  user-select: all;
}

.page-submit__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── 404 Page ──────────────────────────────────────────────── */
.page-not-found {
  text-align: center;
  padding-top: 4rem;
}

.page-not-found h1 {
  color: var(--color-text-muted);
}

/* ── Submissions Closed Banner ─────────────────────────────── */
.submissions-closed-banner {
  background: #fefce8;
  border: 1px solid #fde047;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  color: #854d0e;
  font-size: 0.95rem;
}

/* ── Admin Page ────────────────────────────────────────────── */
.admin-section__success {
  color: var(--color-success);
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

/* ── Admin Tabs ────────────────────────────────────────────── */
.admin-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--color-border);
  margin-top: 1.5rem;
}

.admin-tabs__tab {
  padding: 0.5rem 1.25rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.admin-tabs__tab:hover {
  color: var(--color-text);
}

.admin-tabs__tab--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.admin-tabs__content {
  margin-top: 0;
}

/* ── Moderation Tab ────────────────────────────────────────── */
.moderation-tab {
  margin-top: 0.5rem;
}

.moderation-tab__loading,
.moderation-tab__empty {
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 1rem;
}

.moderation-tab__list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 1rem;
}

.moderation-tab__header-row {
  display: flex;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--color-code-bg);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.moderation-tab__row {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.12s ease;
  align-items: baseline;
}

.moderation-tab__row:last-child {
  border-bottom: none;
}

.moderation-tab__row:hover {
  background: var(--color-bg);
}

.moderation-tab__row--loading {
  opacity: 0.6;
  cursor: wait;
}

.moderation-tab__col {
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.moderation-tab__col--text {
  flex: 2;
  min-width: 0;
}

.moderation-tab__col--author {
  flex: 1;
  min-width: 0;
  color: var(--color-text-muted);
}

.moderation-tab__col--count {
  flex: 0 0 5rem;
  text-align: right;
  font-weight: 600;
  color: var(--color-danger);
}

.moderation-tab__col--date {
  flex: 0 0 7rem;
  text-align: right;
  color: var(--color-text-muted);
}

/* ── Moderation Detail Modal ───────────────────────────────── */
.moderation-modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.moderation-modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  padding: 2rem;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

.moderation-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.moderation-modal__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0;
}

.moderation-modal__close {
  padding: 0.3rem 0.7rem;
  font-size: 1rem;
}

.moderation-modal__quote {
  background: var(--color-code-bg);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.moderation-modal__quote-text {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.moderation-modal__quote-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.moderation-modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.moderation-modal__hidden-badge {
  display: inline-block;
  margin-top: 0.5rem;
  background: #fefce8;
  border: 1px solid #fde047;
  border-radius: var(--radius);
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  color: #854d0e;
  font-weight: 500;
}

.moderation-modal__reports {
  margin-bottom: 1.25rem;
}

.moderation-modal__reports-heading {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
}

.moderation-modal__report-row {
  display: flex;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.moderation-modal__report-row:last-child {
  border-bottom: none;
}

.moderation-modal__report-date {
  flex: 0 0 6.5rem;
  color: var(--color-text-muted);
}

.moderation-modal__report-reason {
  flex: 1;
}

.moderation-modal__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
  h1 {
    font-size: 1.5rem;
  }

  .main-content {
    padding: 1rem;
  }

  .page-home__title {
    font-size: 1.75rem;
  }

  .page-home__actions {
    flex-direction: column;
    align-items: center;
  }

  .page-browse__filter-row {
    flex-wrap: wrap;
  }

  .page-browse__filter-input,
  .page-browse__filter-input--year,
  .page-author__filter-input {
    max-width: 100%;
  }

  .page-browse__filter-date-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    padding: 0.75rem 1rem;
  }

  .auth-modal {
    padding: 1.5rem;
  }
}