/* ===== VARIABLES ===== */
:root {
    /* KLU Colors - Red and White Theme */
    --primary: #e31b23;
    --primary-dark: #c41017;
    --primary-light: #f05056;
    --primary-lighter: #fad1d3;
    
    --secondary: #ffffff;
    --secondary-dark: #f0f0f0;
    --secondary-light: #ffffff;
    
    --success: #28a745;
    --danger: #e31b23;
    --warning: #ffc107;
    --info: #17a2b8;
    
    --dark: #333333;
    --dark-light: #555555;
    --dark-lighter: #777777;
    
    --light: #ffffff;
    --light-dark: #f8f9fa;
    --light-darker: #e9ecef;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* Dark Theme Variables */
.dark-theme {
    --primary: #ff3b43;
    --primary-dark: #e31b23;
    --primary-light: #ff6b70;
    --primary-lighter: #ffd1d3;
    
    --dark: #f8f9fa;
    --dark-light: #e9ecef;
    --dark-lighter: #dee2e6;
    
    --light: #212529;
    --light-dark: #343a40;
    --light-darker: #495057;
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* ===== ANIMATED BACKGROUND ===== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    top: -100px;
    right: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-lighter), var(--primary-light));
    bottom: -50px;
    left: -50px;
    animation-delay: 5s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    top: 40%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, -20px) rotate(5deg);
    }
    50% {
        transform: translate(0, 30px) rotate(10deg);
    }
    75% {
        transform: translate(-20px, -10px) rotate(5deg);
    }
}

.dark-theme .blob {
    opacity: 0.2;
}

/* ===== HEADER ===== */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.logo:hover .logo-icon {
    transform: rotate(15deg);
}

.logo-text h1 {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-xs);
    transition: color var(--transition-normal);
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--dark-lighter);
    transition: color var(--transition-normal);
}

.header-actions {
    display: flex;
    gap: var(--space-md);
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: none;
    background-color: var(--light-dark);
    color: var(--dark);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--primary-lighter);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

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

/* ===== MAIN CONTENT ===== */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.card {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    animation: fadeIn 0.8s ease-out;
}

.main-card {
    transform: translateY(0);
}

.main-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dark-theme .card {
    background-color: var(--light-dark);
}

/* Tabs */
.tabs {
    display: flex;
    background-color: var(--light-dark);
    position: relative;
    transition: background-color var(--transition-normal);
}

.dark-theme .tabs {
    background-color: var(--light-darker);
}

.tab {
    flex: 1;
    padding: var(--space-md);
    background: transparent;
    border: none;
    color: var(--dark-lighter);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    z-index: 1;
    transition: color var(--transition-normal);
}

.tab.active {
    color: var(--primary);
}

.tab i {
    font-size: 1.2rem;
}

.tab-indicator {
    position: absolute;
    height: 3px;
    bottom: 0;
    left: 0;
    width: 50%;
    background-color: var(--primary);
    transition: transform var(--transition-normal) var(--transition-bounce);
}

/* Tab Content */
.tab-content {
    padding: var(--space-xl);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.tab-pane.active {
    display: block;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-xs);
    transition: color var(--transition-normal);
}

.section-desc {
    color: var(--dark-lighter);
    margin-bottom: var(--space-lg);
    transition: color var(--transition-normal);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--dark);
    transition: color var(--transition-normal);
}

.search-box {
    display: flex;
    gap: var(--space-md);
}

.input-group {
    flex: 1;
    position: relative;
}

.input-group i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-lighter);
    transition: color var(--transition-normal);
}

.input-group input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) * 2 + 1rem);
    border: 2px solid var(--light-darker);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: white;
    color: var(--dark);
    transition: all var(--transition-fast);
}

.dark-theme .input-group input {
    background-color: var(--light-dark);
    border-color: var(--light-darker);
    color: var(--dark);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

.input-group input::placeholder {
    color: var(--dark-lighter);
}

.input-group input:disabled {
    background-color: var(--light-dark);
    cursor: not-allowed;
}

.dark-theme .input-group input:disabled {
    background-color: var(--light-darker);
}

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--light-darker);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: white;
    color: var(--dark);
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dark-theme .select-wrapper select {
    background-color: var(--light-dark);
    border-color: var(--light-darker);
    color: var(--dark);
}

.select-wrapper select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

.select-wrapper i {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-lighter);
    pointer-events: none;
    transition: transform var(--transition-fast);
}

.select-wrapper select:focus + i {
    transform: translateY(-50%) rotate(180deg);
}

.btn {
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 6px rgba(227, 27, 35, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(227, 27, 35, 0.3);
}

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

.btn-primary:disabled {
    background: linear-gradient(135deg, var(--dark-lighter), var(--dark-light));
    cursor: not-allowed;
    box-shadow: none;
}

.btn-primary:disabled:hover {
    transform: none;
}

.btn i {
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: translateX(4px);
}

/* Button Text Style */
.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-text:hover {
    background-color: var(--primary-lighter);
    transform: translateY(-2px);
}

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

.btn-text i {
    font-size: 0.9rem;
}

/* Results Container */
.results-container {
    margin-top: var(--space-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.results-container.show {
    max-height: 1000px;
}

.result-message {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    animation: slideInUp 0.5s ease forwards;
}

.result-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 4px solid var(--success);
    color: var(--success);
}

.result-message.error {
    background-color: rgba(227, 27, 35, 0.1);
    border-left: 4px solid var(--danger);
    color: var(--danger);
}

.result-card {
    background-color: var(--light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-md);
    animation: slideInUp 0.5s ease forwards;
    animation-delay: calc(var(--i) * 0.1s);
    opacity: 0;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.dark-theme .result-card {
    background-color: var(--light-darker);
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--light-darker);
}

.result-title {
    font-weight: 600;
    color: var(--primary);
    font-size: 1.2rem;
}

.result-badge {
    background-color: var(--primary-lighter);
    color: var(--primary-dark);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.result-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.info-item {
    margin-bottom: var(--space-sm);
}

.info-label {
    font-size: 0.8rem;
    color: var(--dark-lighter);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.info-value {
    font-weight: 500;
    color: var(--dark);
}

.dark-theme .info-value {
    color: var(--dark);
}

.cabin-highlight {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
    100% {
        opacity: 1;
    }
}

/* Recent Searches */
.recent-searches-card {
    padding: var(--space-lg);
}

.recent-searches-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.recent-searches-header h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary);
    transition: color var(--transition-normal);
}

.recent-searches {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.search-tag {
    background-color: var(--light-dark);
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    animation: fadeIn 0.5s ease forwards;
}

.dark-theme .search-tag {
    background-color: var(--light-darker);
}

.search-tag:hover {
    background-color: var(--primary-lighter);
    transform: translateY(-2px);
}

.search-tag i {
    color: var(--primary);
    font-size: 0.9rem;
}

.search-tag span {
    font-size: 0.9rem;
    color: var(--dark);
}

.empty-state {
    color: var(--dark-lighter);
    font-style: italic;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--light-darker);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--dark);
    font-weight: 500;
}

.footer-logo i {
    color: var(--primary);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--dark-lighter);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.copyright {
    text-align: center;
    padding: var(--space-md) 0;
    color: var(--dark-lighter);
    font-size: 0.9rem;
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.loading-spinner.show {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 60px;
    height: 60px;
    position: relative;
    margin-bottom: var(--space-md);
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--primary);
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: bounce 2s infinite ease-in-out;
}

.double-bounce2 {
    animation-delay: -1s;
}

@keyframes bounce {
    0%, 100% {
        transform: scale(0);
    }
    50% {
        transform: scale(1);
    }
}

.loading-spinner p {
    color: white;
    font-weight: 500;
}

/* Toast Notifications - MOVED TO TOP */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    left: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 100%;
    pointer-events: none;
}

.toast {
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: slideInDown 0.3s ease forwards, fadeOut 0.3s ease forwards 3.7s;
    transition: transform var(--transition-fast);
    cursor: pointer;
    pointer-events: auto;
    max-width: 350px;
    margin-left: auto;
    margin-right: auto;
}

.dark-theme .toast {
    background-color: var(--light-dark);
}

.toast:hover {
    transform: translateY(3px);
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.info {
    border-left: 4px solid var(--info);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast-icon {
    font-size: 1.5rem;
}

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

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

.toast.info .toast-icon {
    color: var(--info);
}

.toast.warning .toast-icon {
    color: var(--warning);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--space-xs);
}

.toast-message {
    font-size: 0.9rem;
    color: var(--dark-lighter);
}

.toast-close {
    color: var(--dark-lighter);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

/* Changed animation for top notifications */
@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Text Animations */
.typing-animation {
    overflow: hidden;
    border-right: 3px solid var(--primary);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary) }
}

/* Slide In Up Animation */
@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .search-box {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        margin-top: var(--space-md);
    }
    
    .tab span {
        display: none;
    }
    
    .tab i {
        font-size: 1.5rem;
    }
    
    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        top: var(--space-md);
    }
    
    .toast {
        width: 100%;
        max-width: none;
    }
    
    .header-actions {
        position: fixed;
        bottom: var(--space-lg);
        right: var(--space-lg);
        z-index: 10;
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .btn-icon {
        background-color: var(--primary);
        color: white;
        box-shadow: var(--shadow-lg);
    }
    
    .btn-icon:hover {
        background-color: var(--primary-dark);
        color: white;
    }
    
    .recent-searches-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .btn-text {
        padding: var(--space-xs) 0;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 1.5rem;
    }
    
    .logo-text h1 {
        font-size: 1.2rem;
    }
    
    .logo-text p {
        display: none;
    }
    
    .tab-content {
        padding: var(--space-md);
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .result-card {
        padding: var(--space-md);
    }
    
    .result-info {
        grid-template-columns: 1fr;
    }
}