:root {
    --bg: #f7faf7;
    --surface: #ffffff;
    --surface-strong: #f0f6f1;
    --text: #17251f;
    --muted: #62726b;
    --border: #d9e4dc;
    --green: #155f3b;
    --green-2: #23724b;
    --amber: #c77819;
    --red: #b83232;
    --blue: #2f5e88;
    --shadow: 0 18px 50px rgba(26, 55, 42, .12);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        linear-gradient(135deg, rgba(21, 95, 59, .08), transparent 36%),
        linear-gradient(315deg, rgba(199, 120, 25, .10), transparent 30%),
        var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

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

.app-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 72px;
    padding: 0 32px;
    background: rgba(255, 255, 255, .88);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    color: white;
    background: var(--green);
    box-shadow: 0 8px 22px rgba(21, 95, 59, .24);
}

.brand-mark.large {
    width: 54px;
    height: 54px;
    font-size: 1.1rem;
}

.top-nav {
    display: flex;
    flex: 1;
    gap: 6px;
}

.top-nav a,
.session a {
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--muted);
    font-size: .94rem;
    font-weight: 700;
}

.top-nav a:hover,
.session a:hover {
    color: var(--green);
    background: var(--surface-strong);
}

.session {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: .92rem;
}

.page-shell {
    width: min(1380px, calc(100% - 36px));
    margin: 34px auto 64px;
}

.two-column {
    display: grid;
    grid-template-columns: minmax(280px, 420px) 1fr;
    gap: 22px;
}

.span-all {
    grid-column: 1 / -1;
}

.page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 6px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.02;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.page-heading p,
.login-copy p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.02rem;
}

.button,
.icon-button,
.text-button {
    border: 0;
    cursor: pointer;
    font-weight: 800;
}

.button {
    min-height: 44px;
    padding: 0 18px;
    border-radius: 8px;
}

.button.primary {
    color: white;
    background: var(--green);
}

.button.ghost {
    color: var(--green);
    background: var(--surface);
    border: 1px solid var(--border);
}

.icon-button {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    color: white;
    background: var(--green);
    font-size: 1.25rem;
}

.text-button {
    padding: 6px 8px;
    border-radius: 8px;
    color: var(--red);
    background: transparent;
    font-size: .84rem;
}

.text-button:hover {
    background: #fff0f0;
}

.trip-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.trip-tab {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 76px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.trip-tab span {
    color: var(--muted);
    font-size: .88rem;
}

.trip-tab.active {
    color: white;
    background: var(--green);
    border-color: var(--green);
}

.trip-tab.active span {
    color: rgba(255, 255, 255, .82);
}

.trip-summary,
.panel,
.unassigned-panel,
.vehicle-card {
    background: rgba(255, 255, 255, .94);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.trip-summary {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1.2fr;
    gap: 18px;
    align-items: center;
    padding: 18px;
    margin-bottom: 22px;
}

.section-label {
    display: block;
    margin-bottom: 5px;
    color: var(--muted);
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.planning-board {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 22px;
    align-items: start;
}

.unassigned-panel,
.panel {
    padding: 18px;
}

.panel-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.panel-title span {
    display: inline-grid;
    place-items: center;
    min-width: 36px;
    height: 32px;
    border-radius: 8px;
    color: white;
    background: var(--amber);
    font-weight: 800;
}

.person-list,
.passenger-list,
.table-list {
    display: grid;
    gap: 10px;
}

.person-card,
.list-row,
.passenger-row {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.person-card {
    display: grid;
    gap: 10px;
    padding: 12px;
}

.person-card span,
.list-row span,
.person-card small,
.list-row small,
.vehicle-card p,
.trip-summary {
    color: var(--muted);
}

.assign-row {
    display: grid;
    grid-template-columns: 1fr 38px;
    gap: 8px;
}

.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 16px;
}

.vehicle-card {
    min-height: 280px;
    padding: 16px;
}

.vehicle-card.overloaded {
    border-color: rgba(184, 50, 50, .45);
}

.vehicle-card header {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}

.vehicle-card header h2 {
    margin-bottom: 3px;
}

.seat-pill {
    flex: 0 0 auto;
    align-self: start;
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--green);
    background: #e8f5ee;
    font-size: .86rem;
    font-weight: 900;
}

.seat-pill.full {
    color: var(--blue);
    background: #edf5ff;
}

.seat-pill.danger {
    color: var(--red);
    background: #fff0f0;
}

.vehicle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.vehicle-meta span {
    padding: 7px 9px;
    border-radius: 8px;
    background: var(--surface-strong);
    color: var(--muted);
    font-size: .84rem;
    font-weight: 700;
}

.material.yes {
    color: var(--green);
}

.material.no {
    color: var(--muted);
}

.equipment-note {
    padding: 10px;
    border-radius: 8px;
    background: #fff7e9;
    color: #775019;
}

.passenger-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 11px;
}

.empty-state {
    margin: 0;
    padding: 16px;
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--muted);
    background: var(--surface-strong);
}

.empty-state.compact {
    padding: 12px;
}

.alert {
    padding: 11px 12px;
    border-radius: 8px;
    font-weight: 700;
}

.alert.danger {
    color: var(--red);
    background: #fff0f0;
}

.login-shell {
    display: grid;
    min-height: calc(100vh - 72px);
    place-items: center;
    padding: 28px;
}

.login-panel {
    display: grid;
    grid-template-columns: 1fr 390px;
    gap: 28px;
    width: min(920px, 100%);
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, .94);
    box-shadow: var(--shadow);
}

.login-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-stack {
    display: grid;
    gap: 14px;
}

label,
fieldset {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: .88rem;
    font-weight: 800;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: white;
    color: var(--text);
    outline: none;
}

input,
select {
    min-height: 42px;
    padding: 0 11px;
}

textarea {
    padding: 10px 11px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(21, 95, 59, .14);
}

.check-line,
.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.check-line input,
.checkbox-group input {
    width: 18px;
    min-height: 18px;
}

fieldset {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

legend {
    padding: 0 6px;
}

.list-row {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 13px;
}

.list-row div {
    display: grid;
    gap: 3px;
}

.edit-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.edit-card summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 13px;
    cursor: pointer;
    list-style: none;
}

.edit-card summary::-webkit-details-marker {
    display: none;
}

.edit-card summary span:first-child {
    display: grid;
    gap: 3px;
}

.edit-card summary small {
    color: var(--muted);
}

.summary-action {
    flex: 0 0 auto;
    color: var(--green);
    font-size: .85rem;
    font-weight: 900;
}

.compact-form {
    padding: 0 13px 13px;
}

.row-actions,
.delete-form {
    display: flex;
    justify-content: flex-end;
}

.delete-form {
    padding: 0 13px 13px;
}

.button.danger {
    color: white;
    background: var(--red);
}

@media (max-width: 980px) {
    .app-header {
        position: static;
        flex-wrap: wrap;
        padding: 14px 18px;
    }

    .top-nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: space-between;
        gap: 0;
    }

    .top-nav a {
        padding: 10px 7px;
        font-size: .88rem;
    }

    .planning-board,
    .two-column,
    .trip-summary,
    .login-panel {
        grid-template-columns: 1fr;
    }

    .trip-tabs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .page-shell {
        width: min(100% - 24px, 1380px);
        margin-top: 22px;
    }

    .page-heading,
    .vehicle-card header,
    .list-row {
        align-items: stretch;
        flex-direction: column;
    }

    .session {
        width: 100%;
        justify-content: space-between;
    }

    h1 {
        font-size: 2rem;
    }
}

@media print {
    body {
        background: white;
    }

    .app-header,
    .print-only-hide,
    .unassigned-panel form,
    .text-button {
        display: none !important;
    }

    .page-shell {
        width: 100%;
        margin: 0;
    }

    .trip-tabs,
    .unassigned-panel {
        break-inside: avoid;
    }

    .trip-summary,
    .panel,
    .unassigned-panel,
    .vehicle-card {
        box-shadow: none;
    }

    .planning-board {
        grid-template-columns: 1fr;
    }
}