/**
 * Button Components
 * Juliana y Fadi Tango Website
 * 
 * Basiert auf Design aus privatstunden.php & shows-workshops.php
 */

/* ==================== BASE BUTTON ==================== */

.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    line-height: 1;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==================== BUTTON VARIANTS ==================== */

/* Primary Button (Gold) */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-black);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-primary);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 0px 15px rgba(255, 255, 255, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Secondary Button (Outline) */
.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: var(--border-width-thick) solid var(--color-primary);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0px 15px rgba(255, 255, 255, 0.5);
}

/* Tertiary Button (Text only) */
.btn-tertiary {
    background: transparent;
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-md);
}

.btn-tertiary:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

/* Pill-Form (Preise-Seite): rund statt eckig, kompakteres Padding,
   abweichendes Hover-Verhalten. Kombiniert mit .btn-primary/.btn-secondary. */
.btn-pill {
    border-radius: 30px;
    padding: 1rem 2.5rem;
    letter-spacing: 1px;
}

.btn-pill.btn-primary:hover {
    background: var(--color-white);
    box-shadow: none;
}

.btn-pill.btn-secondary {
    color: var(--color-primary);
}

.btn-pill.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-black);
}

/* ==================== BUTTON SIZES ==================== */

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-2xl);
}

/* ==================== BUTTON STATES ==================== */

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid var(--color-black);
    border-radius: 50%;
    border-top-color: transparent;
    animation: button-loading-spinner 0.6s linear infinite;
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

/* ==================== BUTTON GROUPS ==================== */

.btn-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* ==================== CTA BUTTON (Special) ====================
   Konsolidiert aus buttons.css/sections.css/einsteiger.css/
   privatstunden.css. Aktive Werte = das, was aktuell durch die
   main.css-Ladereihenfolge tatsächlich gewinnt (optisch unverändert).
   Auskommentierte Alternativen zum bewussten Ausprobieren/Austauschen. */

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg-alt);   /* AKTIV (einsteiger.css) */
     /*padding: var(--spacing-md) var(--spacing-xl); /* ALTERNATIVE (buttons.css, 1.5rem 3rem) */
    background: var(--color-primary);
    color: var(--color-black);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xl);              
    transition: all var(--transition-base);
    letter-spacing: var(--letter-spacing-wide);
    box-shadow: var(--shadow-md);                       
}

.cta-button:hover {
    background: var(--color-primary); 
    color: var(--color-black);
    transform: var(--transform-lift);
    box-shadow: var(--shadow-glow-white-hover); 
}

.cta-button.secondary {
    background: transparent;
    color: var(--color-white);
    border: var(--border-width-thick) solid var(--color-primary);
}

.cta-button.secondary:hover {
    box-shadow: var(--shadow-glow-white-hover);  
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}