/* ===============================================
   DROPSTATION · COMPONENTES REUTILIZABLES
   Botones, cards, forms, inputs, badges
   =============================================== */

/* ─── BOTONES ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s cubic-bezier(.2,.8,.2,1);
  white-space: nowrap;
}

.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn--primary {
  background: var(--grad-purple);
  color: #fff;
  box-shadow: 0 8px 24px -6px var(--purple-glow);
}
.btn--primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -6px var(--purple-glow);
}

.btn--white {
  background: #fff;
  color: #000;
}
.btn--white:hover:not(:disabled) {
  background: #f4f4f5;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--surface);
  border-color: var(--border-hover);
}

.btn--danger {
  background: rgba(239,68,68,.15);
  border: 1px solid rgba(239,68,68,.4);
  color: var(--red);
}
.btn--danger:hover:not(:disabled) {
  background: rgba(239,68,68,.25);
}

.btn--success {
  background: rgba(34,197,94,.15);
  border: 1px solid rgba(34,197,94,.4);
  color: var(--green);
}
.btn--success:hover:not(:disabled) {
  background: rgba(34,197,94,.25);
}

.btn--sm { padding: 8px 16px; font-size: 13px; }
.btn--lg { padding: 16px 32px; font-size: 16px; }

/* ─── CARDS ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all .3s cubic-bezier(.2,.8,.2,1);
}
.card:hover {
  border-color: var(--border-hover);
}

/* ─── FORMULARIOS ─── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: .05em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: all .2s;
  width: 100%;
}

.form-textarea { resize: vertical; min-height: 100px; }

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--purple);
  background: var(--surface);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-mute);
}

.form-hint {
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 4px;
}

.form-error {
  font-size: 12px;
  color: var(--red);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 540px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ─── BADGES ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.badge--pending   { background: rgba(251,191,36,.15); color: var(--yellow); border: 1px solid rgba(251,191,36,.3); }
.badge--approved  { background: rgba(34,197,94,.15);  color: var(--green);  border: 1px solid rgba(34,197,94,.3); }
.badge--rejected  { background: rgba(239,68,68,.15);  color: var(--red);    border: 1px solid rgba(239,68,68,.3); }
.badge--draft     { background: var(--bg-2);          color: var(--text-dim); border: 1px solid var(--border); }
.badge--verified  { background: rgba(59,130,246,.15); color: var(--blue);   border: 1px solid rgba(59,130,246,.3); }

/* ─── LOADING / SPINNER ─── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

.loading-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-mute);
}
.empty-state__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

/* ─── FILE UPLOAD ─── */
.file-upload {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.file-upload:hover {
  border-color: var(--purple);
  background: var(--surface);
}
.file-upload input[type=file] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.file-upload__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  color: var(--text-dim);
}
.file-upload__text {
  font-size: 14px;
  color: var(--text-dim);
}
.file-upload__hint {
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 4px;
}
.file-upload--has-file {
  border-style: solid;
  border-color: var(--purple);
  padding: 0;
}
.file-upload__preview {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

/* ─── LOGO ─── */
.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.logo span { color: var(--purple-light); }
.logo::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  margin-left: 2px;
  vertical-align: top;
  margin-top: 8px;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}