:root {
    --bg: #f7f7fb;
    --card: #ffffff;
    --ink: #111827;
    --muted: #308f8f;
    --line: #e8f7f7;
    --brand: #1c5454;
    --aba: #308f8f;
    --abaActive: #1c5454;

    --success-bg: #edf8f1;
    --success-border: #c9e8d2;
    --success-ink: #245c34;

    --warning-bg: #fff7e6;
    --warning-border: #f0d9a6;
    --warning-ink: #7a4b00;

    --info-bg: #eef6ff;
    --info-border: #cfe5ff;
    --info-ink: #173a63;

    --danger-bg: #fff1f1;
    --danger-border: #f1caca;
    --danger-ink: #8a2424;

    --radius: 14px;
    --radius-sm: 12px;
    --shadow: 0 1px 0 rgba(0, 0, 0, .03);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
}

body {
    min-width: 320px;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(48, 143, 143, .28);
    outline-offset: 2px;
}

[hidden] {
    display: none !important;
}

.wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 8px;
}

h1,
h2,
h3 {
    color: var(--ink);
}

h1 {
    font-size: 1.35rem;
    margin: 0 0 8px;
}

h2 {
    font-size: 1.08rem;
    margin: 0 0 10px;
}

h3 {
    font-size: 1rem;
    margin: 0;
}

/* =========================================================
   Breadcrumbs
   ========================================================= */

.crumbs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin: 6px 0 14px;
}

.crumbs .sep {
    color: var(--muted);
}

.crumbs button {
    min-width: 95px;
    min-height: 40px;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--ink);
    border-radius: 999px;
    padding: 6px 10px;
    cursor: pointer;
    font-weight: 600;
}

.crumbs button:hover:not(:disabled) {
    border-color: var(--aba);
}

.crumbs .current {
    border-style: dashed;
    cursor: default;
    opacity: .8;
}

/* =========================================================
   Ações gerais
   ========================================================= */

.view-actions,
.line-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.view-actions {
    margin-bottom: 12px;
}

.line-actions {
    margin-top: 10px;
}

.btn-pdf,
.btn-share,
.btn-planner,
.btn-retry {
    appearance: none;
    min-height: 42px;
    border-radius: 999px;
    padding: 10px 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease, transform .15s ease;
}

.btn-pdf,
.btn-planner {
    border: 1px solid var(--brand);
    background: var(--brand);
    color: #fff;
}

.btn-pdf:hover,
.btn-planner:hover {
    background: var(--aba);
    border-color: var(--aba);
}

.btn-share,
.btn-retry {
    border: 1px solid var(--brand);
    background: var(--card);
    color: var(--brand);
}

.btn-share:hover,
.btn-retry:hover {
    background: var(--line);
}

.btn-pdf:active,
.btn-share:active,
.btn-planner:active,
.btn-retry:active {
    transform: translateY(1px);
}

button:disabled {
    cursor: not-allowed;
    opacity: .6;
}

/* =========================================================
   Busca — Nível 1
   ========================================================= */

.search {
    position: sticky;
    top: 0;
    z-index: 20;
    background: linear-gradient(var(--bg) 72%, rgba(247, 247, 251, 0));
    padding: 6px 0 10px;
}

.search input {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--ink);
    font-size: .9rem;
}

.search input::placeholder {
    color: #6b7280;
}

.hint {
    font-size: .72rem;
    color: var(--muted);
    margin-top: 5px;
    margin-left: 10px;
}

/* =========================================================
   Cards / listas
   ========================================================= */

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--shadow);
}

.list {
    display: grid;
    gap: 12px;
}

.line-btn,
.time-btn {
    appearance: none;
    width: 100%;
    text-align: left;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 800;
}

.line-btn:hover,
.time-btn:hover {
    border-color: var(--aba);
    background: #fbffff;
}

.line-btn .sub {
    display: block;
    color: var(--muted);
    font-weight: 500;
    margin-top: 4px;
}

.time-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.time-btn {
    position: relative;
    text-align: center;
}

.time-btn .traj-flag {
    margin-left: .35rem;
    font-weight: 800;
    line-height: 1;
}

.muted {
    color: var(--muted);
}

/* =========================================================
   Abas
   ========================================================= */

.tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.tab {
    border: 1px solid var(--line);
    background: var(--abaActive);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    color: #fff;
}

.tab:hover {
    background: var(--aba);
}

.tab.active {
    outline: 2px solid rgba(48, 143, 143, .25);
    border-color: rgba(48, 143, 143, .5);
    background: var(--bg);
    color: var(--abaActive);
}

.tab-panels {
    margin-top: 4px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* =========================================================
   Itinerário / Nível 3
   ========================================================= */

.trip-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.meta-row {
    margin-top: .5rem;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.meta-title {
    font-size: .82rem;
    color: var(--muted);
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: .76rem;
    font-weight: 700;
}

.chip-serv {
    background: var(--info-bg);
    color: var(--info-ink);
}

.chip-norm {
    background: var(--success-bg);
    color: var(--success-ink);
}

.chip-diff {
    background: var(--warning-bg);
    color: var(--warning-ink);
    border: 1px solid var(--warning-border);
}

.itinerario {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fafafa;
    padding: 12px;
    margin-top: 12px;
}

.trajeto {
    list-style: none;
    margin: 6px 0 0;
    padding: 0;
}

.trajeto li {
    position: relative;
    padding: 7px 5px 0 10px;
    border-left: 2px solid #00741d;
}

.trajeto li::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 11px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--brand);
}

.trip-estimate-note {
    font-size: .85rem;
    color: #555;
    margin-top: 1rem;
}

.trip-estimate-note p {
    margin-bottom: 0;
}

/* =========================================================
   Legenda / alertas
   ========================================================= */

.legend {
    margin-top: .5rem;
    font-size: .85rem;
    color: var(--muted);
}

.alert {
    margin-top: .75rem;
    padding: .75rem .9rem;
    border-radius: .75rem;
}

.alert.alert-info {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    color: var(--info-ink);
}

.alert .btn-retry {
    margin-top: 10px;
}

/* =========================================================
   Compartilhamento
   ========================================================= */

.copy-hint {
    margin: 4px 0 10px;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: .82rem;
    background: var(--info-bg);
    color: var(--brand);
    border: 1px solid var(--info-border);
}

.copy-hint:empty {
    display: none;
}

.copy-hint[data-tipo="sucesso"] {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-ink);
}

.copy-hint[data-tipo="erro"] {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger-ink);
}

/* Compatibilidade temporária com eventual botão antigo */
.fab-copy {
    display: none !important;
}

/* =========================================================
   Planejador
   ========================================================= */

.planner {
    display: grid;
    gap: 14px;
}

.planner-head {
    margin-bottom: 2px;
}

.planner-intro {
    margin: 0;
    color: var(--muted);
    font-size: .9rem;
}

.planner-form {
    display: grid;
    gap: 16px;
}

.planner-field {
    display: grid;
    gap: 6px;
}

.planner-field label,
.planner-fieldset legend,
.planner-date-wrap label,
.planner-time-wrap label {
    font-size: .88rem;
    font-weight: 700;
    color: var(--ink);
}

.planner-field select,
.planner-date-wrap input,
.planner-time-wrap input {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    background: #fff;
    color: var(--ink);
    font-size: 1rem;
}

.planner-field select:hover,
.planner-date-wrap input:hover,
.planner-time-wrap input:hover {
    border-color: var(--aba);
}

.planner-fieldset {
    margin: 0;
    padding: 0;
    border: 0;
}

.planner-choice-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 7px;
}

.planner-choice {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 42px;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    cursor: pointer;
}

.planner-choice:hover {
    border-color: var(--aba);
}

.planner-choice input {
    accent-color: var(--brand);
}

.planner-date-wrap,
.planner-time-wrap {
    display: grid;
    gap: 6px;
    margin-top: 10px;
}

.planner-swap-wrap {
    display: flex;
    justify-content: center;
    margin: -6px 0;
}

.planner-swap {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--brand);
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
}

.planner-swap:hover {
    border-color: var(--aba);
    background: var(--line);
}

.planner-context {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    padding: 9px 11px;
    border-radius: 10px;
    background: var(--line);
    color: var(--brand);
    font-size: .82rem;
    font-weight: 600;
}

.planner-actions {
    display: flex;
}

.planner-submit {
    appearance: none;
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--brand);
    border-radius: var(--radius-sm);
    background: var(--brand);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
}

.planner-submit:hover:not(:disabled) {
    background: var(--aba);
    border-color: var(--aba);
}

.planner-submit:disabled {
    opacity: .6;
    cursor: wait;
}

.planner-status {
    min-height: 1.2em;
    margin: 0;
    font-size: .82rem;
}

.planner-status:empty {
    display: none;
}

.planner-status[data-tipo="carregando"] {
    color: var(--muted);
}

.planner-status[data-tipo="sucesso"] {
    color: var(--success-ink);
}

.planner-status[data-tipo="aviso"] {
    color: var(--warning-ink);
}

.planner-status[data-tipo="erro"] {
    color: var(--danger-ink);
}

/* =========================================================
   Planejador — resultado principal
   ========================================================= */

.planner-results {
    display: grid;
    gap: 12px;
}

.planner-best {
    border-color: #b9dada;
}

.planner-best-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
}

.planner-best-head h3 {
    margin: 6px 0 0;
}

.planner-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--line);
    color: var(--brand);
    font-size: .72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .02em;
}

.planner-trip-type {
    color: var(--muted);
    font-size: .82rem;
}

.planner-route-preview {
    display: grid;
    gap: 5px;
    margin-top: 16px;
}

.planner-route-point {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
    align-items: center;
}

.planner-route-label {
    grid-column: 1 / -1;
    color: var(--muted);
    font-size: .75rem;
}

.planner-route-point strong {
    min-width: 0;
    overflow-wrap: anywhere;
}

.planner-route-time {
    font-weight: 800;
    color: var(--brand);
}

.planner-route-arrow {
    color: var(--muted);
    padding-left: 8px;
    font-weight: 700;
}

.planner-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 14px 0 0;
}

.planner-metrics div {
    min-width: 0;
    padding: 10px;
    border-radius: 10px;
    background: var(--bg);
    text-align: center;
}

.planner-metrics dt {
    color: var(--muted);
    font-size: .72rem;
}

.planner-metrics dd {
    margin: 3px 0 0;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.planner-preview-note {
    margin-top: 12px;
    color: #4b5563;
    font-size: .82rem;
}

.planner-preview-note p {
    margin: 0;
}

.planner-result-actions {
    display: flex;
    margin-top: 14px;
}

.planner-primary-link,
.planner-secondary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.planner-primary-link {
    width: 100%;
    min-height: 46px;
    padding: 10px 14px;
    background: var(--brand);
    color: #fff;
    border: 1px solid var(--brand);
}

.planner-primary-link:hover {
    background: var(--aba);
    border-color: var(--aba);
}

.planner-secondary-link {
    min-height: 40px;
    padding: 8px 12px;
    color: var(--brand);
    background: #fff;
    border: 1px solid var(--line);
}

.planner-secondary-link:hover {
    border-color: var(--aba);
    background: var(--line);
}

/* =========================================================
   Planejador — sugestões
   ========================================================= */

.planner-suggestions {
    display: grid;
    gap: 10px;
}

.planner-suggestions-list {
    display: grid;
    gap: 10px;
}

.planner-suggestion {
    display: grid;
    gap: 10px;
}

.planner-suggestion-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.planner-suggestion-type,
.planner-suggestion-meta {
    color: var(--muted);
    font-size: .8rem;
}

.planner-suggestion-route {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.planner-empty strong {
    display: block;
    margin-bottom: 4px;
}

.planner-empty p {
    margin: 0;
    color: var(--muted);
}

/* =========================================================
   Responsividade
   ========================================================= */

@media (max-width: 720px) {
    .tabs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trip-head {
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .wrap {
        padding: 6px;
    }

    .crumbs {
        gap: 6px;
    }

    .crumbs button {
        min-width: auto;
        min-height: 38px;
        padding: 6px 9px;
        font-size: .84rem;
    }

    .view-actions,
    .line-actions {
        width: 100%;
    }

    .view-actions button,
    .line-actions button {
        flex: 1 1 150px;
    }

    .planner-choice-group {
        display: grid;
        grid-template-columns: 1fr;
    }

    .planner-choice {
        width: 100%;
    }

    .planner-metrics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
    }

    .planner-metrics div {
        padding: 8px 4px;
    }

    .planner-suggestion-route {
        align-items: flex-start;
    }

    .time-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 380px) {
    .tabs {
        grid-template-columns: 1fr;
    }

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

    .planner-metrics {
        grid-template-columns: 1fr;
    }

    .planner-route-point {
        grid-template-columns: 1fr;
    }

    .planner-route-time {
        justify-self: start;
    }
}

/* Planejador: busca textual e integração */
.planner-hint{font-size:.82rem;color:#45787b;margin:.35rem 0 .8rem}
.planner-transfer{padding:1rem;margin:1rem 0;border:1px solid #d9eceb;border-radius:12px}
.planner-transfer h3{font-size:1.05rem;margin:0 0 1rem}
.planner-transfer-leg{padding:.8rem 0;border-left:3px solid #1c5454;padding-left:1rem;margin-left:.4rem}
.planner-transfer-leg p{margin:.5rem 0}
.planner-transfer-stops{padding-left:1.3rem;font-size:.86rem;line-height:1.8}
.planner-transfer-change{background:#e7f6f5;padding:1rem;border-radius:9px;font-weight:600;color:#1c5454}
.planner-transfer small{color:#47656a;display:block;margin-top:.75rem}

/* Combobox acessível — campos de origem e destino */
.planner-combo { position: relative; width: 100%; min-width: 0; }
.planner-combo-control { display: flex; align-items: stretch; min-height: 48px; border: 1px solid var(--line); border-radius: var(--radius-sm, 12px); background: #fff; overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.planner-combo-control:hover { border-color: var(--aba); }
.planner-combo-control:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(48,143,143,.15); }
.planner-combo-control input { flex: 1; width: 100%; min-width: 0; min-height: 48px; padding: 11px 12px; background: transparent; border: none; outline: none; color: var(--ink); font: inherit; font-size: 1rem; }
.planner-combo-control input::placeholder { color: #75818d; opacity: 1; }
.planner-combo-toggle { width: 48px; min-width: 48px; border: none; border-left: 1px solid var(--line); background: #f5fbfb; color: var(--brand); cursor: pointer; font: inherit; font-size: 1.65rem; line-height: 1; }
.planner-combo-toggle:hover, .planner-combo-toggle[aria-expanded="true"] { background: #e4f4f3; }
.planner-combo-toggle:focus-visible { outline: 2px solid var(--brand); outline-offset: -3px; }
.planner-combo-dropdown { position: absolute; inset-inline: 0; top: calc(100% + 5px); z-index: 80; max-height: min(300px, 44vh); overflow-y: auto; overscroll-behavior: contain; background: #fff; border: 1px solid #c9e3e5; border-radius: 12px; box-shadow: 0 12px 28px rgba(17,47,51,.14); padding: 5px; }
.planner-combo-dropdown[hidden] { display: none; }
.planner-combo-option { display: block; width: 100%; text-align: left; padding: 11px 12px; border: none; border-radius: 8px; background: transparent; font: inherit; font-size: .92rem; color: var(--ink); cursor: pointer; }
.planner-combo-option:hover, .planner-combo-option.is-active { background: #e9f6f5; color: var(--brand); }
.planner-combo-option[aria-selected="true"] { font-weight: 700; }
.planner-combo-notice { padding: 12px; color: #536e75; font-size: .85rem; }
@media (max-width: 520px) { .planner-combo-dropdown { max-height: min(260px, 38vh); } .planner-combo-option { padding: 13px 11px; } }