/* Travel Buddy — Frontend Styles */

.travel-buddy {
    --tb-sea: #1a6b8a;
    --tb-sea-dark: #124d65;
    --tb-sand: #f5efe6;
    --tb-sand-dark: #e8dfd2;
    --tb-terracotta: #c4653a;
    --tb-terracotta-light: #f0d4c4;
    --tb-sun: #e8a838;
    --tb-sun-light: #fff3dc;
    --tb-ink: #2a2a2a;
    --tb-gray: #7a7a7a;
    --tb-light-gray: #d0d0d0;
    --tb-white: #ffffff;
    --tb-radius: 12px;

    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 18px;
    color: var(--tb-ink);
    line-height: 1.6;
}

/* ── BACK LINK ── */
.tb-back-link {
    display: inline-block;
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--tb-sea);
    text-decoration: none;
    font-weight: 500;
}
.tb-back-link:hover {
    color: var(--tb-sea-dark);
}

/* ── TRIP LIST ── */
.tb-empty {
    text-align: center;
    padding: 60px 24px;
    color: var(--tb-gray);
}

.tb-trip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.tb-trip-card {
    display: block;
    background: var(--tb-white);
    border-radius: var(--tb-radius);
    padding: 28px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border: 1.5px solid transparent;
}
.tb-trip-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--tb-sea);
    color: inherit;
}

.tb-trip-card__type {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--tb-sea);
    margin-bottom: 8px;
}

.tb-trip-card__title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 24px;
    line-height: 1.2;
    margin: 0 0 8px;
    color: var(--tb-ink);
}

.tb-trip-card__subtitle {
    font-size: 16px;
    color: var(--tb-gray);
    margin: 0 0 16px;
    line-height: 1.5;
}

.tb-trip-card__meta {
    display: flex;
    gap: 16px;
    font-size: 14px;
    color: var(--tb-gray);
    flex-wrap: wrap;
}
.tb-trip-card__meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ── TRIP HEADER ── */
.tb-trip-header {
    max-width: 960px;
    margin: 0 auto 32px;
    padding: 32px 0 24px;
    border-bottom: 2px solid var(--tb-sand-dark);
}
.tb-trip-header__tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--tb-sea);
    margin-bottom: 12px;
}
.tb-trip-header__title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(28px, 5vw, 44px);
    line-height: 1.15;
    margin: 0 0 12px;
    letter-spacing: -0.5px;
    color: var(--tb-ink);
}
.tb-trip-header__sub {
    font-size: 19px;
    color: var(--tb-gray);
    max-width: 650px;
    margin: 0 0 16px;
    line-height: 1.5;
}
.tb-trip-header__meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 16px;
    color: var(--tb-gray);
}
.tb-trip-header__meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ── MAP ── */
.tb-map-section {
    padding: 0;
    margin: 0 auto 32px;
    max-width: 960px;
    position: relative;
    z-index: 2;
}
.tb-map-wrap {
    max-width: 960px;
    margin: 0 auto;
    border-radius: var(--tb-radius);
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    border: 3px solid var(--tb-white);
}
#tb-map {
    height: 420px;
    width: 100%;
}

/* Leaflet popup overrides */
.travel-buddy .leaflet-popup-content-wrapper {
    border-radius: 8px !important;
    font-family: 'DM Sans', sans-serif !important;
}
.travel-buddy .leaflet-popup-content {
    margin: 10px 14px !important;
    font-size: 14px;
    line-height: 1.5;
}
.travel-buddy .leaflet-popup-content strong {
    color: var(--tb-sea-dark);
}

/* ── DAY NAV ── */
.tb-day-nav {
    max-width: 960px;
    margin: 40px auto 0;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
    z-index: 100;
    background: var(--tb-white);
    padding: 10px 16px;
    border-radius: 0 0 var(--tb-radius) var(--tb-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.tb-day-nav a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    color: var(--tb-sea-dark);
    background: var(--tb-white);
    border: 1.5px solid var(--tb-light-gray);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.tb-day-nav a:hover,
.tb-day-nav a.is-active {
    background: var(--tb-sea);
    color: var(--tb-white);
    border-color: var(--tb-sea);
}
.tb-day-nav__num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--tb-sea);
    color: var(--tb-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}
.tb-day-nav a:hover .tb-day-nav__num,
.tb-day-nav a.is-active .tb-day-nav__num {
    background: var(--tb-white);
    color: var(--tb-sea);
}

/* ── OVERVIEW ── */
.tb-overview-card {
    background: var(--tb-white);
    border-radius: var(--tb-radius);
    padding: 28px 32px;
    margin: 40px auto 48px;
    max-width: 960px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}
.tb-overview-card h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 24px;
    color: var(--tb-sea);
    margin: 0 0 20px;
}
.tb-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.tb-ov-item {
    padding: 14px 18px;
    background: var(--tb-sand);
    border-radius: 8px;
}
.tb-ov-item__label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--tb-gray);
    margin-bottom: 4px;
}
.tb-ov-item__value {
    font-size: 18px;
    font-weight: 500;
    color: var(--tb-ink);
}

/* ── DAY CARD ── */
.tb-day-card {
    background: var(--tb-white);
    border-radius: var(--tb-radius);
    padding: 0;
    margin: 0 auto 48px;
    max-width: 960px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}
.tb-day-header {
    padding: 28px 32px 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
    cursor: pointer;
    user-select: none;
}
.tb-day-header:hover {
    background: var(--tb-sand);
}
.tb-day-badge {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 36px;
    color: var(--tb-sea);
    line-height: 1;
}
.tb-day-title-group {
    flex: 1;
    min-width: 200px;
}
.tb-day-title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 24px;
    color: var(--tb-ink);
    margin-bottom: 2px;
}
.tb-day-date {
    font-size: 15px;
    color: var(--tb-gray);
}

/* Day meta (distance/duration) */
.tb-day-meta {
    display: flex;
    gap: 12px;
    align-items: center;
}
.tb-day-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    font-weight: 600;
    color: var(--tb-gray);
    background: var(--tb-sand);
    padding: 5px 14px;
    border-radius: 100px;
}
.tb-day-meta__item svg {
    flex-shrink: 0;
}

/* Toggle chevron */
.tb-day-header__toggle {
    font-size: 13px;
    color: var(--tb-gray);
    transition: transform 0.3s ease;
    margin-left: auto;
    flex-shrink: 0;
}
.tb-day-card.is-open .tb-day-header__toggle {
    transform: rotate(90deg);
}

/* Collapsible body */
.tb-day-card__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.tb-day-card.is-open .tb-day-card__body {
    max-height: 5000px;
}

.tb-day-desc {
    padding: 20px 32px;
    font-size: 17px;
    color: var(--tb-ink);
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.6;
}

/* ── STOPS ── */
.tb-stops {
    padding: 24px 32px;
}
.tb-stop {
    display: grid;
    grid-template-columns: 90px 20px 1fr;
    gap: 0 16px;
    padding-bottom: 24px;
    position: relative;
}
.tb-stop:last-child {
    padding-bottom: 0;
}
.tb-stop__time {
    font-size: 15px;
    font-weight: 700;
    color: var(--tb-sea);
    text-align: right;
    padding-top: 2px;
}
.tb-stop__dot-col {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.tb-stop__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--tb-sea);
    border: 2.5px solid var(--tb-white);
    box-shadow: 0 0 0 2px var(--tb-sea);
    flex-shrink: 0;
    margin-top: 4px;
}
.tb-stop__line {
    width: 2px;
    flex: 1;
    background: linear-gradient(to bottom, var(--tb-sea) 0%, rgba(26, 107, 138, 0.15) 100%);
    margin-top: 4px;
}
.tb-stop:last-child .tb-stop__line {
    display: none;
}
.tb-stop__content {
    padding-bottom: 8px;
}
.tb-stop__name {
    font-weight: 600;
    font-size: 18px;
    color: var(--tb-ink);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.tb-stop__rating {
    font-weight: 600;
    font-size: 14px;
    color: var(--tb-ink);
    background: var(--tb-sun-light);
    padding: 2px 12px;
    border-radius: 100px;
}
.tb-stop__notes {
    font-size: 17px;
    color: var(--tb-gray);
    line-height: 1.6;
}

/* Google Maps link */
.tb-stop__maps {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    color: var(--tb-sea);
    opacity: 0.5;
    transition: opacity 0.2s, color 0.2s;
    text-decoration: none;
    flex-shrink: 0;
}
.tb-stop__maps:hover {
    opacity: 1;
    color: var(--tb-terracotta);
}

/* ── TIP BOX ── */
.tb-tip-box {
    margin: 0 32px 24px;
    padding: 16px 22px;
    background: var(--tb-sun-light);
    border-left: 4px solid var(--tb-sun);
    border-radius: 0 8px 8px 0;
    font-size: 16px;
    color: #665500;
    line-height: 1.55;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.tb-tip-box__icon {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--tb-sun);
}
.tb-tip-box strong {
    color: #a87800;
}

/* ── CHECKLIST ── */
.tb-checklist-card {
    background: var(--tb-white);
    border-radius: var(--tb-radius);
    padding: 28px 32px;
    margin: 0 auto 48px;
    max-width: 960px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}
.tb-checklist-card h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 24px;
    color: var(--tb-sea);
    margin: 0 0 20px;
}
.tb-checklist-section h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--tb-terracotta);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 16px 0 8px;
}
.tb-checklist-section:first-child h3 {
    margin-top: 0;
}
.tb-checklist-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tb-checklist-item {
    padding: 14px 16px;
    font-size: 16px;
    color: var(--tb-ink);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s, opacity 0.2s;
    background: var(--tb-sand);
    border-radius: 8px;
}
.tb-checklist-item:hover {
    opacity: 0.7;
}
.tb-checklist-item.is-checked {
    background: var(--tb-sand-dark);
}
.tb-checklist-item.is-checked .tb-checklist-item__text {
    text-decoration: line-through;
    color: var(--tb-gray);
}
.tb-checklist-item__box {
    font-size: 20px;
    color: var(--tb-light-gray);
    flex-shrink: 0;
    line-height: 1;
}
.tb-checklist-item.is-checked .tb-checklist-item__box {
    color: var(--tb-sea);
}

/* ── Edit controls (hidden until edit mode activated) ── */
.tb-edit-control {
    display: none !important;
}
.tb-edit-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    color: var(--tb-sea);
    background: transparent;
    border: 2px solid var(--tb-sea);
    border-radius: 100px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.tb-edit-toggle:hover {
    background: var(--tb-sea);
    color: var(--tb-white);
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    .tb-trip-header {
        padding: 24px 0 20px;
    }
    .tb-overview-grid {
        grid-template-columns: 1fr;
    }
    .tb-day-header {
        padding: 20px 20px 16px;
    }
    .tb-stops {
        padding: 20px;
    }
    .tb-tip-box {
        margin: 0 20px 20px;
    }
    .tb-day-desc {
        padding: 16px 20px;
    }
    .tb-stop {
        grid-template-columns: 60px 16px 1fr;
        gap: 0 10px;
    }
    #tb-map {
        height: 320px;
    }
    .tb-trip-grid {
        grid-template-columns: 1fr;
    }
    .tb-overview-card,
    .tb-day-card,
    .tb-checklist-card {
        padding-left: 20px;
        padding-right: 20px;
    }
    .tb-day-nav {
        position: static;
        padding: 12px 16px;
        gap: 6px;
        box-shadow: none;
        border-radius: var(--tb-radius);
    }
    .tb-day-meta {
        flex-wrap: wrap;
        gap: 6px;
    }
}