/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
}

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

.btn--primary {
  background: var(--color-primary-light);
  color: var(--color-white);
  border-color: var(--color-primary-light);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
  transform: translateY(-1px);
}

.btn--danger {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
}

.btn--danger:hover:not(:disabled) {
  background: #c0392b;
  border-color: #c0392b;
}

.btn--gold {
  background: var(--gradient-gold);
  color: #1A5A5C;
  border-color: #8ECFD0;
  font-weight: var(--weight-black);
}

.btn--gold:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(142,207,208,0.4);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

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

.btn--icon {
  padding: var(--space-3);
  border-radius: var(--radius-full);
}

/* ===== CARDS ===== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card__image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card__image-placeholder {
  width: 100%;
  height: 220px;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card__body {
  padding: var(--space-6);
}

.card__tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-2);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card__description {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(91,184,245,0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--leading-loose);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-textarea {
  border-color: var(--color-error);
}

.form-group.has-error .form-error {
  display: block;
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-pale);
}

.file-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-upload__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
}

.file-upload__text {
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.file-upload__hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== PARTICIPANT LIST ===== */
.participant-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.participant-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.participant-chip__avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  color: white;
  font-weight: var(--weight-bold);
  flex-shrink: 0;
}

/* ===== PHOTO GALLERY ===== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-3);
}

.photo-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.photo-item:hover img {
  transform: scale(1.05);
}

.photo-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(27,79,155,0.6);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.photo-item:hover .photo-item__overlay {
  opacity: 1;
}

/* ===== STAT BLOCK ===== */
.stat-block {
  text-align: center;
  padding: var(--space-6);
}

.stat-block__number {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-block__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* ===== INFO BOX ===== */
.info-box {
  background: var(--color-primary-pale);
  border-left: 4px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

/* ===== AVATAR ===== */
.avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.avatar--sm  { width: 32px;  height: 32px;  }
.avatar--md  { width: 48px;  height: 48px;  }
.avatar--lg  { width: 80px;  height: 80px;  }
.avatar--xl  { width: 120px; height: 120px; }

.avatar-placeholder {
  border-radius: 50%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--weight-black);
}