/**
 * Royal Nepal Voyage - Component Styles
 * 
 * Reusable UI components: buttons, cards, forms, navigation, FAB
 */

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-all);
    white-space: nowrap;
    min-height: 48px;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* Primary Button - Using darker shade for WCAG AA contrast compliance */
.btn-primary {
    background: var(--color-accent-dark);
    color: var(--color-text-inverse);
    border-color: var(--color-accent-dark);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

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

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* Ghost Button (for dark backgrounds) */
.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-inverse);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Large Button */
.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    min-height: 56px;
}

/* Small Button */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    min-height: 40px;
}

/* Icon in Button */
.btn svg,
.btn i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ========================================
   NAVIGATION
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    transition: var(--transition-all);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    min-height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Hide text if logo image is present and text is duplicated (assumption based on feedback) */
@media (min-width: 768px) {
    .nav-logo span {
        display: none;
    }
}

.nav-logo img {
    height: 72px;
    /* Larger logo on desktop */
    width: auto;
}

@media (max-width: 480px) {
    .nav-logo span {
        font-size: 0.8rem;
        letter-spacing: -0.01em;
    }

    .nav-logo img {
        height: 56px;
        /* Larger logo on mobile */
    }

    .nav-logo {
        /* Shift logo right on mobile */
        justify-content: flex-start;
        margin-left: 8px;
    }
}

.nav-links {
    display: none;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) 0;
    position: relative;
    transition: var(--transition-colors);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

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

.nav-cta {
    display: none;
}

@media (min-width: 1024px) {
    .nav-cta {
        display: inline-flex;
    }
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-fixed) + 2);
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-transform);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100vh;
    height: 100dvh;
    background: #FFFFFF;
    z-index: calc(var(--z-fixed) + 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-20) var(--space-6) var(--space-10);
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    overflow-y: auto;
    text-align: center;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu .nav-link {
    font-size: var(--font-size-xl);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--color-text-primary);
}

.mobile-menu .btn {
    margin-top: var(--space-8);
    width: 100%;
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-all);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--space-6);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-2);
}

.card-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

/* Destination Card */
.destination-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    aspect-ratio: 4/3;
    cursor: pointer;
}

.destination-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

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

.destination-card-overlay {
    position: absolute;
    inset: 0;
    /* Very strong gradient for text visibility */
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 40%, rgba(0, 0, 0, 0) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-6);
    color: #FFFFFF;
    /* Force white text */
}

.destination-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-1);
    color: #FFFFFF !important;
    /* Force white */
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
}

.destination-card-subtitle {
    font-size: var(--font-size-sm);
    color: #FFFFFF !important;
    /* Force white */
    opacity: 1;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

/* ========================================
   FORMS
   ======================================== */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-lg);
    transition: var(--transition-all);
    min-height: 48px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
}

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

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235A5A5A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: var(--space-10);
}

/* Checkbox & Radio Group */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    padding: var(--space-2) 0;
}

.form-check-input {
    width: 20px;
    height: 20px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.form-check-label {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    cursor: pointer;
}

/* Form Error */
.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--space-2);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--color-error);
}

/* ========================================
   ICON GRID (for journey builder)
   ======================================== */

.icon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .icon-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .icon-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition-all);
    text-align: center;
}

.icon-card:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-alt);
}

.icon-card.selected {
    border-color: var(--color-accent);
    background: rgba(230, 126, 34, 0.08);
}

.icon-card svg,
.icon-card i {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.icon-card-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

/* ========================================
   FLOATING ACTION BUTTON (WhatsApp/Call)
   ======================================== */

.fab-container {
    position: fixed !important;
    bottom: var(--space-6) !important;
    right: var(--space-6) !important;
    z-index: var(--z-fab);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-3);
    width: auto;
    height: auto;
    pointer-events: none;
}

.fab-container * {
    pointer-events: auto;
}

.fab-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    opacity: 0;
    visibility: hidden;
    /* Completely hide when inactive */
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
    transition: var(--transition-all);
}

.fab-container.active .fab-menu {
    opacity: 1;
    visibility: visible;
    /* Show when active */
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.fab-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-all);
    white-space: nowrap;
}

.fab-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.fab-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.fab-item.whatsapp .fab-item-icon {
    background: #25D366;
    color: white;
}

.fab-item.phone .fab-item-icon {
    background: var(--color-primary);
    color: white;
}

.fab-item svg {
    width: 20px;
    height: 20px;
}

/* Main FAB Button */
.fab-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-accent);
    transition: var(--transition-all);
    position: relative;
}

.fab-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(230, 126, 34, 0.4);
}

.fab-trigger svg {
    width: 28px;
    height: 28px;
    transition: transform var(--duration-normal) var(--ease-out);
}

.fab-container.active .fab-trigger svg {
    transform: rotate(45deg);
}

/* Pulse Animation */
.fab-trigger::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.3;
    animation: fab-pulse 2s ease-out infinite;
}

@keyframes fab-pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.fab-container.active .fab-trigger::before {
    animation: none;
    opacity: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.footer-description {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-relaxed);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
    color: #FFFFFF;
    margin-bottom: var(--space-6);
    opacity: 0.9;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

/* Footer links with inline icons */
.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8) !important;
    text-decoration: none !important;
    transition: var(--transition-colors);
}

.footer-links a svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-accent-light);
    /* Gold/amber to match Contact Us */
}

.footer-links a:hover {
    color: #FFFFFF !important;
    text-decoration: underline !important;
}

.footer-links a:hover svg {
    color: #FFFFFF;
}

/* All footer links - no underline by default */
.footer a {
    color: rgba(255, 255, 255, 0.8) !important;
    text-decoration: none !important;
    transition: var(--transition-colors);
}

.footer a:hover {
    color: #FFFFFF !important;
    text-decoration: underline !important;
}

/* Contact Us section styling */
.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-accent-light);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-6);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    font-size: var(--font-size-sm);
    color: #FFFFFF;
}

.footer-bottom p {
    color: #FFFFFF;
    opacity: 0.8;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* ========================================
   LOADING STATES
   ======================================== */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

/* ========================================
   TOAST / NOTIFICATION
   ======================================== */

.toast {
    position: fixed;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: var(--space-4) var(--space-6);
    background: var(--color-text-primary);
    color: var(--color-text-inverse);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-toast);
    opacity: 0;
    transition: var(--transition-all);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--color-success);
}

.toast.error {
    background: var(--color-error);
}