/* ============ GLOBAL STYLES ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --accent: #f093fb;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --border-color: #e2e8f0;
    --success: #48bb78;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============ NAVIGATION ============ */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo i {
    font-size: 1.5em;
    color: var(--primary);
    -webkit-text-fill-color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 2px;
}

/* ============ HERO SECTION ============ */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 4em;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.4em;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1em;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ============ FEATURES SECTION ============ */
.features-preview {
    padding: 100px 0;
    background: var(--bg-light);
}

.features-preview h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3.5em;
    color: var(--primary);
    margin-bottom: 20px;
    display: inline-flex;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 15px;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 1.4em;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95em;
}

/* ============ DESTINATIONS SECTION ============ */
.destinations-showcase {
    padding: 100px 0;
    background: white;
}

.destinations-showcase h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.destination-card {
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    background: white;
}

.destination-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.destination-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}

.destination-card:hover .destination-image {
    transform: scale(1.1);
}

.destination-info {
    padding: 25px;
    background: white;
}

.destination-info h3 {
    font-size: 1.4em;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.destination-info p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 0.95em;
}

.destination-action-btn {
    appearance: none;
    border: none;
    padding: 10px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.18);
}

.destination-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(102, 126, 234, 0.26);
}

.tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

/* ============ PLANNER SECTION ============ */
.planner-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5em;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1em;
    color: var(--text-light);
}

/* ============ FORM STYLES ============ */
.travel-form {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.form-step {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.form-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-step h3 {
    font-size: 1.4em;
    color: var(--text-dark);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.95em;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
    font-size: 0.95em;
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    padding-right: 40px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1em;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group i {
    position: absolute;
    right: 15px;
    top: 40px;
    color: var(--text-light);
    pointer-events: none;
    font-size: 0.95em;
}

.input-with-prefix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-prefix span {
    position: absolute;
    left: 15px;
    color: var(--text-light);
    font-weight: 600;
}

.input-with-prefix input {
    padding-left: 35px !important;
    width: 100%;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    margin-top: 30px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

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

/* ============ OUTPUT SECTION ============ */
.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    flex-wrap: wrap;
    gap: 20px;
}

.output-header h2 {
    flex: 1;
    color: var(--text-dark);
}

.header-actions {
    display: flex;
    gap: 15px;
}

.btn-header {
    padding: 10px 20px;
    background: white;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95em;
}

.btn-header:hover {
    background: var(--primary);
    color: white;
}

.plan-output {
    background: white;
    border-radius: 15px;
    padding: 40px;
    max-height: 80vh;
    overflow-y: auto;
}

/* ============ PLAN SECTIONS ============ */
.plan-section {
    margin-bottom: 50px;
    padding: 30px;
    background: var(--bg-light);
    border-left: 5px solid var(--primary);
    border-radius: 10px;
    transition: var(--transition);
}

.plan-section:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.plan-section h2 {
    color: var(--primary);
    font-size: 1.8em;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-section h3 {
    color: var(--secondary);
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.plan-section p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

/* ============ TABLES ============ */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

th {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-dark);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: var(--bg-light);
}

/* ============ CARDS ============ */
.activity-card,
.summary-box {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.activity-card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.activity-card h4 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.1em;
}

.details {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    font-size: 0.95em;
    color: var(--text-light);
}

.summary-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-left: 5px solid var(--primary);
}

.summary-box p {
    margin: 8px 0;
    color: var(--text-dark);
}

.summary-box strong {
    color: var(--primary);
}

/* ============ LISTS ============ */
ul, ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ============ FOOTER ============ */
.footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #1a202c 100%);
    color: white;
    padding: 60px 0 20px;
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.footer-section p {
    opacity: 0.9;
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
    margin-left: 0;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    margin-bottom: 10px;
}

.footer-section a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    font-size: 1.5em;
}

.social-links a {
    margin-bottom: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }

    .hero p {
        font-size: 1.1em;
    }

    .features-grid,
    .destinations-grid {
        grid-template-columns: 1fr;
    }

    .travel-form {
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .details {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        gap: 20px;
        font-size: 0.9em;
    }

    .output-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .plan-output {
        padding: 20px;
        max-height: none;
    }

    table {
        font-size: 0.9em;
    }

    th, td {
        padding: 10px 8px;
    }

    .ai-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .ai-maps-panel,
    .ai-chat-panel {
        transform: perspective(1000px) rotateY(0deg) !important;
    }

    .message-content {
        max-width: 100%;
    }

    .chat-messages {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2em;
    }

    .logo {
        font-size: 1.4em;
    }

    .nav-menu {
        gap: 15px;
        font-size: 0.8em;
    }

    .section-header h2 {
        font-size: 1.8em;
    }

    .travel-form {
        padding: 20px 15px;
    }

    .form-step {
        padding-bottom: 20px;
    }
}

/* ============ AI ASSISTANT SECTION ============ */
.ai-assistant-section {
    padding: 60px 0 70px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.ai-assistant-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.ai-assistant-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.ai-header {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.ai-header h2 {
    font-size: 2.8em;
    color: var(--text-dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.ai-header h2 i {
    color: var(--primary);
    font-size: 0.95em;
}

.ai-header p {
    font-size: 1.2em;
    color: var(--text-light);
}

.ai-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    position: relative;
    z-index: 2;
    align-items: stretch;
}

/* Maps Panel */
.ai-maps-panel {
    background: white;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ai-maps-panel:hover {
    transform: perspective(1000px) rotateY(0deg) translateZ(20px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.ai-maps-panel h3 {
    font-size: 1.5em;
    margin-bottom: 20px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.destination-map {
    width: 100%;
    height: 340px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

#destinationMap {
    width: 100% !important;
    height: 100% !important;
    border-radius: 15px !important;
}

.map-controls {
    display: flex;
    gap: 10px;
    margin-top: 2px;
}

.map-select {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1em;
    color: var(--text-dark);
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.map-select:hover,
.map-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

/* Chat Panel */
.ai-chat-panel {
    background: white;
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    transform: perspective(1000px) rotateY(5deg);
    transition: var(--transition);
    overflow: hidden;
}

.ai-chat-panel:hover {
    transform: perspective(1000px) rotateY(0deg) translateZ(20px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.chat-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    font-size: 1.4em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    opacity: 0.9;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: #48bb78;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(30px);
    }
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 330px;
    background: linear-gradient(to bottom, #fafbfc 0%, #f5f7fa 100%);
}

.message {
    display: flex;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

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

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.user-message {
    justify-content: flex-end;
}

.user-message .message-avatar {
    background: var(--text-light);
    order: 2;
}

.user-message .message-content {
    order: 1;
}

.message-content {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 15px;
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-dark);
    line-height: 1.5;
}

.ai-message .message-content {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 2px solid var(--primary);
}

.message-content p {
    margin-bottom: 10px;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul {
    margin: 10px 0 10px 20px;
}

.message-content li {
    margin-bottom: 6px;
    line-height: 1.5;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
}

.chat-input-area {
    padding: 16px 18px;
    border-top: 1px solid var(--border-color);
    background: white;
}

.input-wrapper {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1em;
    font-family: inherit;
    color: var(--text-dark);
    transition: var(--transition);
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input::placeholder {
    color: var(--text-light);
}

.send-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1em;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

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

.send-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.chat-suggestions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ai-assistant-section .container {
    max-width: 1360px;
}

.suggestion-btn {
    padding: 8px 14px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    color: var(--text-dark);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 500;
    transition: var(--transition);
}

.suggestion-btn:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-color: var(--primary);
    color: var(--primary);
}

/* ============ PRINT STYLES ============ */
@media print {
    body {
        background: white;
    }

    .navbar,
    .footer,
    .output-header,
    .btn-submit,
    .btn-header {
        display: none;
    }

    .planner-section,
    .plan-output {
        padding: 0;
        box-shadow: none;
        background: white;
    }

    .plan-section {
        page-break-inside: avoid;
        margin-bottom: 30px;
    }

    table {
        page-break-inside: avoid;
    }
}