:root {
    --ns-yellow: #FFC917;
    --ns-blue: #003082;
    --light-blue: #0063D3;
    --background: #ffffff;
    --card-bg: #ffffff;
    --text-primary: #000000;
    --text-secondary: #666666;
    --border-color: #E6E6E6;
    --border-radius: 1em;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: left;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--ns-blue);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.train-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s;
    background: white;
    color: var(--text-primary);
}

input:focus {
    outline: none;
    border-color: var(--ns-blue);
    box-shadow: 0 0 0 2px rgba(0, 48, 130, 0.1);
}

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: var(--shadow);
}

.suggestion-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
    color: var(--text-primary);
}

.suggestion-item:hover {
    background-color: #f5f5f5;
}

.search-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--ns-yellow);
    border: none;
    border-radius: var(--border-radius);
    color: var(--ns-blue);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.search-button:hover {
    transform: translateY(-1px);
    background-color: #FFD426;
}

.result {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

.result.hidden {
    display: none;
}

.train-info {
    position: relative;
    margin-top: 1rem;
}

.timeline-line {
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--ns-blue);
    opacity: 0.2;
}

.train-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.3s ease-out;
}

.journey {
    flex-shrink: 0;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease-out;
    position: relative;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    z-index: 1;
}

.train-container.scrolling {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Remove sliding animations since we're using scroll */
.journey.sliding-up,
.journey.sliding-down {
    transform: none;
    opacity: 1;
}

.journey.fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

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

.journey::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 50%;
    width: 1rem;
    height: 1rem;
    background: var(--ns-blue);
    border-radius: 50%;
    transform: translateY(-50%);
}

.journey.last-train {
    border: 2px solid var(--ns-yellow);
    background: white;
}

.journey.last-train::before {
    width: 1.5rem;
    height: 1.5rem;
    left: -1.75rem;
    background: var(--ns-yellow);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--ns-blue);
}

.journey.morning-train {
    background: #f5f5f5;
    border: 1px solid var(--border-color);
}

.journey.morning-train::before {
    background: var(--ns-yellow);
    border: 2px solid white;
}

.journey.morning-train .train-label {
    background: var(--ns-yellow);
    color: var(--ns-blue);
}

.journey.night-train {
    background: linear-gradient(to right, var(--ns-blue), var(--light-blue));
    color: white;
}

.journey.night-train .train-label {
    background: var(--ns-yellow);
    color: var(--ns-blue);
    font-weight: 600;
}

.journey.night-train .time,
.journey.night-train .transfers {
    color: white;
}

.journey.night-train .platform {
    background: white;
    color: var(--ns-blue);
}

.journey:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 48, 130, 0.1);
    border-color: var(--ns-blue);
}

.train-label {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: var(--ns-blue);
    color: white;
}

.journey.last-train .train-label {
    background: var(--ns-yellow);
    color: var(--ns-blue);
}

.journey.morning-train .train-label {
    background: var(--ns-yellow);
    color: var(--ns-blue);
}

.leg {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.error {
    color: #e41e31;
    text-align: center;
    padding: 1rem;
    background: #fff0f0;
    border-radius: var(--border-radius);
}

.time {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: flex-start;
}

.platform {
    display: inline-block;
    background: var(--ns-yellow);
    color: var(--ns-blue);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

.leg .platform {
    font-size: 0.6rem;
}
.transfers {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

footer {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-secondary);
}

@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .train-form {
        padding: 1rem;
    }
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-primary);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid var(--ns-blue);
    border-radius: 50%;
    border-right-color: transparent;
    margin-left: 0.5rem;
    vertical-align: middle;
    animation: spin 1s linear infinite;
}

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

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

.journey.regular-train {
    background: white;
    border: 1px solid #eee;
}

.journey.placeholder {
    animation: pulse 1.5s infinite;
    background: linear-gradient(90deg, #f5f5f5 0%, white 50%, #f5f5f5 100%);
    background-size: 200% 100%;
}

.journey.placeholder .train-label,
.journey.placeholder .time,
.journey.placeholder .transfers,
.journey.placeholder .leg div {
    background: #f5f5f5;
}

.journey.placeholder .train-label {
    width: 100px;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.journey.placeholder .time {
    width: 150px;
    height: 1.5em;
}

.journey.placeholder .transfers {
    width: 80%;
}

.journey.placeholder .leg div {
    width: 70%;
    margin: 0.5em 0;
}

@keyframes pulse {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: -100% 50%;
    }
}

#navigationButtons {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    z-index: 100;
}

.navigation-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.nav-button {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-button:hover:not(:disabled) {
    background: var(--ns-blue);
    color: white;
    border-color: var(--ns-blue);
}

.nav-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.prev-button {
    border-color: var(--ns-blue);
}

.prev-button:hover {
    background-color: var(--ns-blue);
    color: white;
}

.service-summary {
    background: var(--ns-blue);
    color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: none;
}

.service-summary p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

.new-container {
    transition: opacity 0.3s ease-out;
}

.journey .transfers,
.journey .leg {
    color: var(--text-secondary);
}

.journey.night-train,
.journey.night-train .transfers,
.journey.night-train .leg {
    color: white;
}