/* ==========================================
   MicroChess — Reusable Components
   Buttons, Alerts, Badges, Form, Links
   ========================================== */

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
}

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

.btn--success {
    background: var(--color-success);
    color: #fff;
}

.btn--success:hover:not(:disabled) {
    background: var(--color-success-dark);
}

.btn--danger {
    background: var(--color-danger);
    color: #fff;
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--outline:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--correct {
    background: var(--color-success) !important;
    color: #fff !important;
    border-color: var(--color-success-dark) !important;
}

.btn--wrong {
    background: var(--color-danger) !important;
    color: #fff !important;
    border-color: var(--color-danger-dark) !important;
}

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.7;
}

.alert--info {
    background: rgba(74, 144, 217, 0.15);
    color: var(--color-text-secondary);
    border: 1px solid rgba(74, 144, 217, 0.3);
}

.alert--success {
    background: rgba(39, 174, 96, 0.15);
    color: #6deca0;
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.alert--error {
    background: rgba(231, 76, 60, 0.15);
    color: #f1948a;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.alert--warning {
    background: rgba(243, 156, 18, 0.15);
    color: #f9c74f;
    border: 1px solid rgba(243, 156, 18, 0.3);
}

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

.badge--primary {
    background: rgba(74, 144, 217, 0.2);
    color: #7ab8f5;
}

.badge--success {
    background: rgba(39, 174, 96, 0.2);
    color: #6deca0;
}

.badge--warning {
    background: rgba(243, 156, 18, 0.2);
    color: #f9c74f;
}

.badge--danger {
    background: rgba(231, 76, 60, 0.2);
    color: #f1948a;
}

.badge--muted {
    background: rgba(136, 146, 160, 0.15);
    color: var(--color-text-muted);
}

/* ---------- Back Link ---------- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-lg);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary);
}

/* ---------- Form Controls ---------- */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
}