/* ============================================================
   CHARLY FLOW — Estilos globales
   Dark mode • Glassmorphism • Mobile-first • Premium
   ============================================================ */

/* ── Variables de diseño ──────────────────────────────────── */
:root {
  --bg-base: #13131f;
  --bg-surface: #1c1c2e;
  --bg-card: rgba(255, 255, 255, 0.09);
  --bg-card-hover: rgba(255, 255, 255, 0.13);
  --border: rgba(255, 255, 255, 0.16);
  --border-hover: rgba(255, 255, 255, 0.30);

  --accent: #7c6fff;
  --accent-glow: rgba(124, 111, 255, 0.35);
  --accent-hover: #9b8fff;
  --danger: #ff5e5e;
  --like: #ff4d6d;

  --text-primary: #eeeef8;
  --text-secondary: #9898bb;
  --text-muted: #66668a;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-card: 0 4px 28px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px var(--accent-glow);

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100dvh;
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(124, 111, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(255, 77, 109, 0.08) 0%, transparent 60%);
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
}

textarea {
  font-family: var(--font);
}

img {
  max-width: 100%;
  display: block;
}

/* ── Utility: Glass ───────────────────────────────────────── */
.glass {
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Header ───────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  font-size: 1.4rem;
}

.logo-text {
  background: linear-gradient(135deg, var(--accent), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-btn {
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  color: var(--text-secondary);
}

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

.nav-btn.active {
  color: var(--text-primary);
}

.nav-btn--primary {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.nav-btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  box-shadow: 0 0 32px var(--accent-glow);
  transform: translateY(-1px);
}

/* ── Main container ───────────────────────────────────────── */
.app-main {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 5rem;
}

/* ── Vistas ───────────────────────────────────────────────── */
.view {
  display: none;
  animation: fadeUp 0.3s var(--transition) both;
}

.view.active {
  display: block;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Feed header ──────────────────────────────────────────── */
.feed-header {
  text-align: center;
  padding: 2rem 0 1.5rem;
}

.feed-title {
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feed-subtitle {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ── Posts grid ───────────────────────────────────────────── */
.posts-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Post card ────────────────────────────────────────────── */
.post-card {
  padding: 1.25rem 1.25rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 111, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.post-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.post-card.featured {
  border-color: rgba(124, 111, 255, 0.4);
  box-shadow: var(--shadow-glow);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.post-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #c084fc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.post-author {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.post-date {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.post-featured-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(124, 111, 255, 0.2);
  color: var(--accent);
  font-weight: 600;
  border: 1px solid rgba(124, 111, 255, 0.35);
}

.post-content {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  word-break: break-word;
  white-space: pre-wrap;
}

.post-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}

/* ── Botones de acción ────────────────────────────────────── */
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition), color var(--transition);
  color: var(--text-secondary);
  border: 1px solid transparent;
  min-height: 40px;
  /* táctil */
}

/* Like */
.action-btn--like:hover,
.action-btn--like.liked {
  background: rgba(255, 77, 109, 0.15);
  color: var(--like);
  border-color: rgba(255, 77, 109, 0.30);
}

.action-btn--like.liked .like-icon {
  transform: scale(1.25);
}

.like-icon {
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Delete */
.action-btn--delete {
  margin-left: auto;
  color: var(--text-muted);
}

.action-btn--delete:hover {
  background: rgba(255, 94, 94, 0.12);
  color: var(--danger);
  border-color: rgba(255, 94, 94, 0.25);
}

/* ── Formulario nuevo post ────────────────────────────────── */
.form-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin-top: 1.5rem;
}

.form-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.form-subtitle {
  margin-top: 0.35rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.field-wrap {
  position: relative;
  margin-top: 1.5rem;
}

.post-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.6;
  padding: 1rem;
  resize: vertical;
  min-height: 130px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.post-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.post-textarea::placeholder {
  color: var(--text-muted);
}

.char-count {
  position: absolute;
  bottom: 0.6rem;
  right: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

.char-count.warn {
  color: #f59e0b;
}

.char-count.danger {
  color: var(--danger);
}

.form-footer {
  margin-top: 1rem;
}

.form-note {
  margin-top: 0.85rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── Author preview (formulario) ──────────────────────────── */
.author-preview {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(124, 111, 255, 0.08);
  border: 1px solid rgba(124, 111, 255, 0.22);
}

.author-preview-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #c084fc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-preview-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.author-preview-label {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.author-preview-name {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ── Botón principal ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  min-height: 48px;
}

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

.btn--primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--accent-glow);
}

.btn--primary:active {
  transform: scale(0.97);
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ── Skeleton Loader ──────────────────────────────────────── */
.skeleton-card {
  height: 130px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, var(--bg-surface) 25%, rgba(255, 255, 255, 0.04) 50%, var(--bg-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -200% 0;
  }
}

/* ── Estado vacío ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state-text {
  font-size: 1rem;
}

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(30, 30, 45, 0.95);
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  transition: transform 0.35s cubic-bezier(0.34, 1.36, 0.64, 1), opacity 0.3s ease;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: var(--shadow-card);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (min-width: 480px) {
  .post-card {
    padding: 1.5rem 1.5rem 1.1rem;
  }

  .form-card {
    padding: 2.5rem;
  }
}

/* ══════════════════════════════════════════════════════════
   PRO FEATURES CSS
   ══════════════════════════════════════════════════════════ */

/* ── Modal Overlay ────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(5, 5, 12, 0.80);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  /* ← no bloquea clics cuando invisible */
  transition: opacity 0.3s ease;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
  /* ← activa clics solo cuando visible */
}

.modal-card {
  width: 100%;
  max-width: 400px;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.34, 1.3, 0.64, 1);
}

.modal-overlay.visible .modal-card {
  transform: translateY(0) scale(1);
}

.modal-icon {
  font-size: 2.8rem;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 0 12px var(--accent));
}

.modal-title {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.logo-gradient {
  background: linear-gradient(135deg, var(--accent), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.modal-input-wrap {
  margin-bottom: 1rem;
}

.modal-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 500;
  padding: 0.85rem 1rem;
  text-align: center;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.modal-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.modal-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.modal-note {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Shake animation when empty submit */
@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-6px);
  }

  75% {
    transform: translateX(6px);
  }
}

.shake {
  animation: shake 0.4s ease;
}

/* ── Nav: avatar del usuario ─────────────────────────────── */
.nav-btn--icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
}

.nav-btn--icon:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #c084fc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  pointer-events: none;
}

/* ── Sort Toggle ──────────────────────────────────────────── */
.sort-toggle {
  display: inline-flex;
  gap: 0;
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
  overflow: hidden;
}

.sort-btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.sort-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.sort-btn:not(.active):hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

/* ── New Posts Banner ─────────────────────────────────────── */
.new-posts-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  margin-bottom: 1rem;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transform: translateY(-10px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.3, 0.64, 1), opacity 0.3s ease;
}

.new-posts-banner.visible {
  transform: translateY(0);
  opacity: 1;
}

.new-posts-banner:hover {
  filter: brightness(1.1);
}

.banner-arrow {
  font-size: 1rem;
  animation: bounce 1s infinite ease-in-out;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

/* ── Share button ─────────────────────────────────────────── */
.action-btn--share {
  color: var(--text-muted);
}

.action-btn--share:hover {
  background: rgba(124, 111, 255, 0.12);
  color: var(--accent);
  border-color: rgba(124, 111, 255, 0.25);
}

/* ── Author change button (✏️ en el form) ────────────────── */
.author-change-btn {
  margin-left: auto;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.author-change-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* ── Post: nombre real del autor ──────────────────────────── */
.post-author-block {
  display: flex;
  flex-direction: column;
}

.post-author-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}