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

:root {
  --bg:        #0f172a;
  --surface:   #1e293b;
  --surface2:  #273549;
  --border:    #334155;
  --text:      #e2e8f0;
  --muted:     #94a3b8;
  --accent:    #6366f1;
  --accent-h:  #818cf8;
  --green:     #10b981;
  --red:       #ef4444;
  --radius:    14px;
  --shadow:    0 4px 24px rgba(0,0,0,.45);
  --transition: .2s ease;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e293b 100%);
  border-bottom: 1px solid var(--border);
  padding: 2rem 1.5rem;
}

.header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header__icon { font-size: 2.4rem; }

.header__title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #a5b4fc, #e879f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Main ───────────────────────────────────────────────────────────────── */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ─── Filtros ────────────────────────────────────────────────────────────── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 2rem;
}

.filter-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: .45rem 1rem;
  border-radius: 999px;
  font-size: .85rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.filter-btn:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--accent);
}

.filter-btn--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* ─── Grid ───────────────────────────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.empty {
  color: var(--muted);
  grid-column: 1/-1;
  text-align: center;
  padding: 3rem 0;
}

/* ─── Card ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.card__cover {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__emoji { font-size: 3rem; }

.card__body { padding: 1.1rem; }

.card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .3rem;
  line-height: 1.3;
}

.card__autor {
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: .75rem;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .75rem;
}

/* ─── Tag ────────────────────────────────────────────────────────────────── */
.tag {
  font-size: .72rem;
  font-weight: 600;
  color: #fff;
  padding: .2rem .6rem;
  border-radius: 999px;
  letter-spacing: .3px;
}

/* ─── Status badge ───────────────────────────────────────────────────────── */
.card__status {
  font-size: .75rem;
  font-weight: 600;
  padding: .25rem .7rem;
  border-radius: 999px;
}

.card__status--ok  { background: rgba(16,185,129,.15); color: var(--green); }
.card__status--off { background: rgba(239,68,68,.15);  color: var(--red);   }

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 100;
}

.modal-overlay--visible {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 440px;
  width: 100%;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow);
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: .9rem;
  transition: background var(--transition), color var(--transition);
}

.modal__close:hover { background: var(--red); color: #fff; border-color: var(--red); }

.modal__cover {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  border-radius: 10px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.modal__emoji { font-size: 3.5rem; }

.modal__title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: .3rem;
}

.modal__autor {
  color: var(--accent-h);
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: .2rem;
}

.modal__ano {
  color: var(--muted);
  font-size: .8rem;
  margin-bottom: .9rem;
}

.modal__desc {
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* ─── Responsivo ─────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
}