/* ----- MBTA SCREENS SYSTEM ----- */
/* Maximum readability for distant, short-viewing-time displays */
/* 3-column Green Line + 3-column Buses + 3-column Blue Bikes */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');

:root {
    /* MBTA system colors */
    --mbta-green: #00843D;
    --mbta-bus: #FFC72C;
    --mbta-bluebike: #2277B3;
    --mbta-cool-black-15: #171F26;
    --mbta-warm-white-90: #E6E4E1;
    --mbta-warm-white-85: #D9D6D0;
    --mbta-warm-white-80: #CCCBC8;
    --mbta-true-white: #FFFFFF;

     /* Typography */
    --spacing-base: 1.5em;
    --font-family-mono: monospace;
    --font-size-base: 1em;
    --font-size-small: 0.9em;
    --font-size-code: 0.95em;
}

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

body {
    background: var(--mbta-warm-white-90);
    font-family: var(--font-family-mono);
    color: var(--mbta-cool-black-15);
    line-height: 1.3;
    padding: 2rem;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

/* Path navigation styles */
.path-nav {
  font-family: var(--font-family-mono);
  padding: var(--spacing-base) 0;
  white-space: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
  width: 100%;
}

.path-nav::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.path-nav ol {
  display: flex;
  flex-wrap: nowrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.path-nav li {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  flex-shrink: 0;
  max-width: 200px; /* Limit maximum width on small screens */
}

.path-nav li.current {
  max-width: none; /* Allow full width for current page */
}

.path-nav li a {
  text-decoration: none;
  border-bottom: none;
  padding: 0 0.25em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-muted);
}

.path-nav li.current a {
  color: var(--color-text-primary);
  font-weight: bold;
}

.path-nav a:hover {
  text-decoration: underline;
}

/* Main menu navigation styles */
.terminal-nav {
  font-family: var(--font-family-mono);
  border-top: 1px solid var(--color-border);
  margin-bottom: calc(var(--spacing-base) * 2);
  padding-bottom: var(--spacing-base);
  padding-top: var(--spacing-base);
}

.terminal-nav nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1em;
}

.terminal-nav nav ul li {
  display: inline-block;
}

.terminal-nav nav ul li a,
.terminal-nav .back-link {
  color: var(--color-text-muted);
  border-bottom: none;
  text-decoration: none;
}

.terminal-nav nav ul li a:hover,
.terminal-nav .back-link:hover {
  color: var(--color-text-primary);
}

.terminal-nav nav ul li a.active {
  color: var(--color-text-primary);
  font-weight: bold;
}

.terminal-nav .back-nav {
  margin: calc(var(--spacing-base) * 0.5) 0;
}


/* ===== MODE HEADERS ===== */
.mode-header {
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
}

.mode-header.green {
    background: var(--mbta-green);
}

.mode-header.bus {
    background: var(--mbta-bus);
}

.mode-header.bluebike {
    background: var(--mbta-bluebike);
    margin-top: 2rem;
}

.time.stopped {
    color: #FFC72C;  /* MBTA bus yellow - stands out */
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.mode-header h2 {
    font-family: var(--font-family-mono);
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
    text-transform: none;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
}

.mode-header.green h2 {
    color: var(--mbta-true-white);
}

.mode-header.bus h2 {
    color: var(--mbta-cool-black-15);
}

.no-schedules {
    font-family: var(--font-family-mono);
    font-size: 0.95rem;
    color: #505A62;
    padding: 0.75rem 0;
    text-align: left;
    font-style: italic;
    border-bottom: 1px solid var(--mbta-warm-white-90);
}

.mode-header.bluebike h2 {
    color: white;
}

.mode-header.bluebike h2 i {
    font-size: 1.3rem;
    margin-right: 8px;
}

/* ===== GRIDS - 3 COLUMNS EACH ===== */
.station-grid,
.bus-grid,
.bluebike-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.station-grid {
    margin-bottom: 2.5rem;
}

/* ===== STOP CARDS - BASE ===== */
.stop-card {
    background: var(--mbta-true-white);
    padding: 1.25rem;
    border-radius: 8px;
}

.stop-card h3 {
    font-family: var(--font-family-mono);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--mbta-cool-black-15);
    text-transform: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stop-card h3 i {
    font-size: 1.2rem;
}

/* ===== CARD VARIANTS ===== */
.stop-card.green-line {
    border: 0px solid var(--mbta-green);
    border-left-width: 4px;
}

.stop-card.bus {
    border: 0px solid var(--mbta-bus);
    border-left-width: 4px;
}

.stop-card.bluebike {
    border: 0px solid var(--mbta-bluebike);
    border-left-width: 4px;
}

.stop-card.bluebike h3 i {
    color: var(--mbta-bluebike);
}

/* ===== STOP LOCATION ===== */
.stop-location {
    font-family: var(--font-family-mono);
    font-size: 0.8125rem;
    color: #505A62;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--mbta-warm-white-80);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ===== DIRECTION HEADERS ===== */
.direction-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--mbta-warm-white-90);
}

.direction-header:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.direction-label {
    font-family: var(--font-family-mono);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #505A62;
}

.destination-primary {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--mbta-cool-black-15);
}

/* ===== PREDICTION ROWS ===== */
.prediction-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.375rem 0;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--mbta-warm-white-90);
}

.prediction-row:last-child {
    border-bottom: none;
}

.destination {
    font-weight: 400;
    color: var(--mbta-cool-black-15);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.destination i {
    font-size: 0.95rem;
    line-height: 1;
}

.time {
    font-weight: 700;
    text-align: right;
    color: var(--mbta-cool-black-15);
    flex-shrink: 0;
    margin-left: 1rem;
}

.time.now {
    color: var(--mbta-green);
}

.stop-card.bus .time.now {
    color: var(--mbta-bus);
}

/* ===== BLUE BIKES - BIKE ROWS ===== */
.bike-stats {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.bike-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.4rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--mbta-warm-white-90);
}

.bike-row:last-child {
    border-bottom: none;
}

.bike-row.total {
    margin-top: 0.25rem;
    padding-top: 0.5rem;
    border-top: 2px solid var(--mbta-warm-white-80);
    font-weight: 700;
}

.bike-row.docks {
    color: var(--mbta-bluebike);
    font-weight: 600;
}

.bike-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--mbta-cool-black-15);
}

.bike-label i {
    color: var(--mbta-bluebike);
    font-size: 1.1rem;
    width: 1.4rem;
    text-align: center;
}

.bike-count {
    font-weight: 700;
    color: var(--mbta-cool-black-15);
}

.bike-row.docks .bike-count {
    color: var(--mbta-bluebike);
}

/* ===== BIKE ICON ANIMATION ===== */
@keyframes pedal {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(10deg); }
    75% { transform: rotate(-10deg); }
    100% { transform: rotate(0deg); }
}

.stop-card.bluebike h3 i {
    animation: pedal 2s ease-in-out infinite;
}

/* ===== EMPTY STATES ===== */
.no-trains,
.no-bikes {
    font-family: var(--font-family-mono);
    font-size: 1rem;
    color: #505A62;
    padding: 0.75rem 0;
    text-align: left;
    font-style: normal;
}

/* ===== TIMESTAMP ===== */
.timestamp {
    font-family: var(--font-family-mono);
    font-size: 0.9375rem;
    color: #505A62;
    margin-top: 1.5rem;
    text-align: right;
    border-top: 1px solid var(--mbta-warm-white-80);
    padding-top: 1rem;
}

/* ===== RESPONSIVE BREAKPOINTS ===== */

@media (max-width: 900px) {
    .station-grid,
    .bus-grid,
    .bluebike-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    body {
        padding: 1rem;
    }
    
    .stop-card h3 {
        font-size: 1.125rem;
    }
    
    .prediction-row {
        font-size: 1rem;
    }
}

@media (max-width: 550px) {
    .station-grid,
    .bus-grid,
    .bluebike-grid {
        grid-template-columns: 1fr;
    }
    
    .mode-header h2 {
        font-size: 1.25rem;
    }
    
    .stop-card {
        padding: 1rem;
    }
    
    .stop-location {
        font-size: 0.75rem;
    }
    
    .direction-label {
        font-size: 0.6875rem;
    }
    
    .destination-primary {
        font-size: 0.875rem;
    }
    
    .bike-row {
        font-size: 1rem;
    }
}

/* ----- ALERT BANNERS ----- */
.alert-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    background: #FFF7BF;
    border-left: 4px solid #FFDD00;
    font-family: var(--font-family-mono);
}

.alert-banner.alert-high {
    background: #FFE5E5;
    border-left-color: #DA291C;
}

.alert-icon {
    font-size: 1.25rem;
    line-height: 1.4;
}

.alert-content {
    flex: 1;
}

.alert-header {
    font-weight: 700;
    font-size: 0.95rem;
    color: #171F26;
    margin-bottom: 0.25rem;
}

.alert-description {
    font-size: 0.85rem;
    color: #505A62;
    line-height: 1.4;
}

/* ===== PRINT STYLES (E Ink optimization) ===== */
@media print {
    body {
        background: var(--mbta-true-white);
        padding: 0.5rem;
    }
    
    .stop-card {
        border: 1px solid #000;
    }
    
    .mode-header.green,
    .mode-header.bus,
    .mode-header.bluebike {
        background: #000;
        color: white;
    }
    
    .stop-card.bluebike h3 i {
        animation: none;
    }
}

/* ===== NO DECORATION RULES ===== */
/* No box-shadow, no hover effects, no transforms, no transitions, no gradients */