/* ===== Global Enhancements ===== */

/* Universal Focus States for Accessibility */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Remove outline for mouse users */
*:focus:not(:focus-visible) {
    outline: none;
}

/* ===== Typography Enhancements ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.125rem);
    font-weight: 600;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    font-weight: 600;
}

p {
    line-height: 1.75;
    color: var(--text-secondary);
}

/* ===== Button Enhancements ===== */
button, .btn, a.btn {
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

button:not(:disabled):hover,
.btn:not(:disabled):hover {
    transform: translateY(-2px);
}

button:not(:disabled):active,
.btn:not(:disabled):active {
    transform: translateY(0);
}

button:disabled,
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== Card Enhancements ===== */
.card, .room-card, .booking-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    background: var(--bg-white);
}

.card:hover, .room-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(45, 106, 79, 0.15);
}

/* ===== Input Enhancements ===== */
input, select, textarea {
    font-family: var(--font-body);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
    padding: 10px 14px;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
    outline: none;
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

/* ===== Link Enhancements ===== */
a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

a:hover {
    color: var(--primary-dark);
}

/* Animated underline for navigation links */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

/* ===== Loading States ===== */
.loading-skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-light) 0%,
        #e0e0e0 50%,
        var(--bg-light) 100%
    );
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== Accessibility: Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===== Responsive Touch Targets ===== */
@media (max-width: 768px) {
    button, .btn, a.btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Increase spacing on mobile */
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
}

/* ===== Smooth Scroll Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for multiple elements */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Alert/Notification Enhancements ===== */
.alert {
    border-radius: var(--radius-md);
    border-left: 4px solid;
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    border-left-color: var(--primary);
    background: rgba(45, 106, 79, 0.05);
}

.alert-info {
    border-left-color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
}

.alert-danger {
    border-left-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

/* ===== Image Enhancements ===== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-hover-zoom {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.img-hover-zoom img {
    transition: transform var(--transition-slow);
}

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