/* static/css/components.css */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-gradient);
  color: var(--text-inverse);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--bg-surface-border);
}

.btn-secondary:hover {
  background: var(--bg-surface);
  border-color: var(--brand-primary);
}

.btn-danger {
  background: var(--status-error-bg);
  color: var(--status-error);
  border: 1px solid var(--status-error-border);
}

.btn-danger:hover {
  background: var(--status-error);
  color: var(--text-inverse);
}

/* Glass Cards */
.glass-card {
  background: rgba(19, 21, 28, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.glass-card-hover:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

/* Inputs */
.form-group {
  margin-bottom: var(--space-4);
  width: 100%;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(11, 12, 16, 0.8);
  border: 1px solid var(--bg-surface-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.alert-error {
  background: var(--status-error-bg);
  border: 1px solid var(--status-error-border);
  color: #fca5a5;
}

.alert-success {
  background: var(--status-success-bg);
  border: 1px solid var(--status-success-border);
  color: #6ee7b7;
}

/* Spinners */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Language Switcher Component */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--bg-surface-border);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.lang-btn {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  transition: all 0.15s;
}

.lang-btn:hover {
  color: var(--text-secondary);
}

.lang-btn.lang-active {
  background: var(--bg-surface-border);
  color: var(--text-primary);
}