/* ===============================================
   UTILITY CLASSES - Bootstrap-inspired
   =============================================== */

/* Spacing utilities */
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }
.mt-4 { margin-top: 2rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.pt-1 { padding-top: 0.5rem !important; }
.pt-2 { padding-top: 1rem !important; }
.pt-3 { padding-top: 1.5rem !important; }
.pt-4 { padding-top: 2rem !important; }
.pt-5 { padding-top: 3rem !important; }

.pb-1 { padding-bottom: 0.5rem !important; }
.pb-2 { padding-bottom: 1rem !important; }
.pb-3 { padding-bottom: 1.5rem !important; }
.pb-4 { padding-bottom: 2rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* Text alignment */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Flex utilities */
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }
.flex-column { flex-direction: column !important; }

/* ===============================================
   TOAST NOTIFICATION - Bootstrap-inspired
   =============================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    pointer-events: none;
}

.toast {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    min-width: 300px;
    max-width: 400px;
    box-shadow: var(--shadow-large);
    animation: slideInRight 0.3s ease-out, fadeOutRight 0.3s ease-out 4.7s forwards;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    pointer-events: all;
}

.toast.success {
    border-left-color: #10b981;
}

.toast.error {
    border-left-color: #ef4444;
}

.toast.info {
    border-left-color: #3b82f6;
}

.toast-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.info .toast-icon {
    color: #3b82f6;
}

.toast-content {
    flex: 1;
}

.toast-content h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
}

.toast-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.toast-close:hover {
    color: var(--text-primary);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOutRight {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ===============================================
   RESPONSIVE TYPOGRAPHY - Bootstrap-inspired
   =============================================== */

/* Mobile (< 576px) */
@media (max-width: 575px) {
    .hero-name { font-size: 2.5rem !important; }
    .hero-tagline { font-size: 1rem !important; }
    .section-title { font-size: 1.75rem !important; }
    
    .toast-container {
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
        max-width: 100%;
    }
}

/* Small tablets (576px - 768px) */
@media (min-width: 576px) and (max-width: 768px) {
    .hero-name { font-size: 3rem !important; }
    .hero-tagline { font-size: 1.125rem !important; }
    .section-title { font-size: 2rem !important; }
}

/* Tablets (769px - 992px) */
@media (min-width: 769px) and (max-width: 992px) {
    .hero-name { font-size: 3.5rem !important; }
    .hero-tagline { font-size: 1.25rem !important; }
    .section-title { font-size: 2.25rem !important; }
}

/* Desktop (> 992px) */
@media (min-width: 993px) {
    .hero-name { font-size: 4rem !important; }
    .hero-tagline { font-size: 1.5rem !important; }
    .section-title { font-size: 2.5rem !important; }
}