/* Główne style */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6600;
    --accent-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --red-line: #e12d27;
    --green-line: #008150;
    --orange-line: #ed8b00;
    --blue-line: #2f5da6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* Nagłówek */
header {
    background-image: linear-gradient(rgba(0, 0, 0, 0.0), rgba(0, 0, 0, 0.5)), url('../images/boston-skyline.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 100px 20px;
    margin-bottom: 30px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

header .subtitle {
    font-size: 1.5rem;
    font-weight: 300;
}

/* Nawigacja */
#main-nav {
    background-color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

#main-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
}

#main-nav li {
    margin: 0;
}

#main-nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    transition: var(--transition);
}

#main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Sekcje */
.section {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
}

/* Przegląd podróży */
.info-card {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
}

.info-item {
    flex: 1;
    min-width: 250px;
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
}

.info-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-item h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* Harmonogram */
.day-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 3px;
    margin-bottom: 20px;
}

.day-tab {
    background-color: var(--light-color);
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
    flex: 1;
    min-width: 100px;
}

.day-tab:hover {
    background-color: #e9ecef;
}

.day-tab.active {
    color: #0066cc;
}

.day-content {
    display: none;
    animation: fadeIn 0.5s;
}

.day-content.active {
    display: block;
}

.day-content h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.day-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

.day-section h4 {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.day-section h4 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.day-section ul {
    padding-left: 20px;
}

.day-section ul ul {
    margin-top: 5px;
}

/* Restauracje */
.restaurant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.restaurant-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.restaurant-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 1px solid #ddd;
}

.restaurant-item {
    margin-bottom: 15px;
}

.restaurant-item h4 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.restaurant-item p {
    margin-bottom: 5px;
}

.restaurant-item i {
    color: var(--secondary-color);
    margin-right: 5px;
}

/* Transport */
.transport-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.transport-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.transport-card h3 {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.transport-card h3 i {
    margin-right: 10px;
}

.transport-card ul {
    padding-left: 20px;
}

.line {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    color: white;
    font-weight: bold;
    margin-right: 5px;
}

.red-line {
    background-color: var(--red-line);
}

.green-line {
    background-color: var(--green-line);
}

.orange-line {
    background-color: var(--orange-line);
}

.blue-line {
    background-color: var(--blue-line);
}

.map-container {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.map-container h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.map-placeholder {
    background-color: #e9ecef;
    min-height: 200px;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.map-placeholder img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

#load-map-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    margin-top: 15px;
    transition: var(--transition);
}

#load-map-btn:hover {
    background-color: #0056b3;
}

/* Wskazówki */
.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.tip-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
}

.tip-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.tip-card h3 {
    color: var(--dark-color);
    margin-bottom: 10px;
}

.tip-card ul {
    text-align: left;
    padding-left: 20px;
}

/* Stopka */
footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 30px;
}

/* Animacje */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsywność */
@media (max-width: 768px) {
    header {
        padding: 60px 20px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    header .subtitle {
        font-size: 1.2rem;
    }
    
    #main-nav ul {
        flex-direction: column;
    }
    
    .info-card, .transport-container, .tips-container {
        grid-template-columns: 1fr;
    }
    
    .day-tab {
        font-size: 0.9rem;
        padding: 8px;
        min-width: 80px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 20px 15px;
    }
    
    .day-tabs {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 3px;
    }
    
    .day-tab {
        font-size: 0.8rem;
        padding: 6px 4px;
        min-width: auto;
    }
    
    .day-tab small {
        font-size: 0.7rem;
    }
}