:root {
    --bg-top: #f4f0e8;
    --bg-bottom: #d9e8db;
    --ink: #1b2a2f;
    --muted: #55656d;
    --brand: #0f766e;
    --brand-dark: #0b544f;
    --accent: #e9a23b;
    --card: rgba(255, 255, 255, 0.86);
    --line: rgba(27, 42, 47, 0.1);
    --shadow: 0 20px 50px rgba(15, 45, 43, 0.18);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Noto Sans TC", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 12% 15%, rgba(233, 162, 59, 0.18), transparent 35%),
        radial-gradient(circle at 85% 78%, rgba(15, 118, 110, 0.18), transparent 38%),
        linear-gradient(135deg, var(--bg-top), var(--bg-bottom));
}

.site-header {
    width: min(1100px, 92%);
    margin: 30px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.nav {
    display: flex;
    gap: 12px;
    flex-wrap: nowrap;
    flex-shrink: 0;
}

.nav-main {
    flex-wrap: nowrap;
}

.btn {
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 0.95rem;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.25);
}

.btn-primary:hover {
    background: var(--brand-dark);
}

.btn-ghost {
    border-color: var(--line);
    color: var(--ink);
    background: rgba(255, 255, 255, 0.55);
}

.btn-danger {
    background: #a63d3d;
    color: #fff;
}

.btn-danger:hover {
    background: #8a3030;
}

.hero,
.auth-wrap,
.dashboard-wrap {
    width: min(1100px, 92%);
    margin: 34px auto 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.panel {
    background: var(--card);
    backdrop-filter: blur(6px);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.quick-links .panel {
    display: grid;
    align-content: start;
    gap: 10px;
}

.hero h1 {
    margin: 0 0 14px;
    font-size: clamp(1.9rem, 2.9vw, 3rem);
    line-height: 1.2;
}

.hero p {
    margin: 0 0 22px;
    color: var(--muted);
    line-height: 1.7;
}

.kpi-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.kpi-item {
    display: flex;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px 14px;
    font-size: 0.95rem;
}

.auth-card {
    max-width: 460px;
}

h2,
h3 {
    margin: 0 0 14px;
}

.field {
    margin-bottom: 14px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--muted);
}

input[type="text"],
input[type="password"],
input[type="date"],
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 11px 12px;
    font-size: 1rem;
    outline: none;
    background: rgba(255, 255, 255, 0.9);
}

input[type="number"] {
    min-height: 48px;
    padding: 12px 14px;
    font-size: 1.08rem;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.form-stack,
.account-form,
.mini-form,
.inline-form {
    display: grid;
    gap: 10px;
}

.inline-form {
    grid-template-columns: 1fr auto;
    align-items: end;
}

.mini-form {
    grid-template-columns: minmax(160px, 1fr) auto;
    align-items: center;
}

.action-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.divider {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 16px 0;
}

.hint {
    color: var(--muted);
    font-size: 0.9rem;
}

.table-wrap {
    overflow-x: auto;
}

.date-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.date-links .btn,
.report-list-date .btn {
    white-space: nowrap;
}

.report-list-date {
    min-width: 118px;
    white-space: nowrap;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.photo-upload-form,
.photo-card { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(260px, 1fr); gap: 16px; align-items: start; margin-top: 18px; }
.photo-upload-form .btn { grid-column: 1 / -1; justify-self: start; }
.photo-list { display: grid; gap: 18px; }
.photo-card { padding: 14px; border: 1px solid var(--line); border-radius: 12px; }
.photo-card img { display: block; width: 100%; max-height: 420px; object-fit: contain; border-radius: 8px; background: #f1f5f9; }
.photo-card h3 { margin-top: 0; }
@media (max-width: 720px) { .photo-upload-form, .photo-card { grid-template-columns: 1fr; } }

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 10px 8px;
    text-align: left;
    vertical-align: top;
}

th {
    font-size: 0.9rem;
    color: var(--muted);
    font-weight: 700;
}

.cell-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.error {
    margin-bottom: 12px;
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(214, 79, 79, 0.12);
    border: 1px solid rgba(214, 79, 79, 0.25);
    color: #8d2727;
}

.success {
    margin-bottom: 12px;
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(54, 160, 92, 0.13);
    border: 1px solid rgba(54, 160, 92, 0.25);
    color: #20572e;
}

footer {
    width: min(1100px, 92%);
    margin: 28px auto;
    color: var(--muted);
    font-size: 0.86rem;
}

@media (max-width: 860px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

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

    .inline-form,
    .mini-form {
        grid-template-columns: 1fr;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}
.contract-tree .major-row {
    background: rgba(15, 118, 110, 0.07);
}

.contract-tree .major-row.level-1 {
    font-weight: 700;
}

.contract-tree .major-row.level-2 {
    font-weight: 600;
}

.contract-tree .major-row.is-open {
    background: rgba(233, 162, 59, 0.14);
}

.major-title.indent-1 { padding-left: 6px; }
.major-title.indent-2 { padding-left: 22px; }
.major-title.indent-3 { padding-left: 38px; }

.major-amount-form {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(120px, 1fr) auto;
    align-items: center;
}

.minor-editor-row td {
    background: rgba(255, 255, 255, 0.55);
}

.minor-editor-box {
    display: grid;
    gap: 12px;
    padding: 8px 0;
}

.minor-add-form {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(180px, 2fr) minmax(80px, 0.7fr) minmax(90px, 0.8fr) minmax(100px, 0.9fr) minmax(130px, 1fr) minmax(130px, 1fr) auto;
    align-items: center;
}

.minor-add-form .minor-quantity {
    min-width: 150px;
    font-size: 1.08rem;
    padding: 13px 14px;
}

.minor-row td {
    background: rgba(255, 255, 255, 0.72);
}

.bulk-minor-form {
    display: grid;
    grid-template-columns: minmax(180px, 0.8fr) minmax(320px, 2.5fr) auto;
    gap: 8px;
    align-items: center;
    padding-top: 10px;
    border-top: 1px dashed rgba(15, 118, 110, 0.3);
}

.bulk-minor-form label {
    font-weight: 600;
}

.bulk-minor-form textarea {
    min-height: 112px;
    resize: vertical;
}

@media (max-width: 860px) {
    .minor-add-form,
    .bulk-minor-form {
        grid-template-columns: 1fr;
    }
}

.minor-title {
    padding-left: 30px;
}

.minor-type-form {
    display: inline-block;
    margin-right: 8px;
}

.minor-type-form select {
    width: auto;
    min-height: 34px;
    padding: 5px 8px;
    font-size: 0.9rem;
}

.report-table-field {
    display: grid;
    gap: 8px;
}

.report-entry-table {
    min-width: 980px;
}

.report-entry-table input,
.report-entry-table select {
    min-width: 105px;
}

.report-entry-table td:first-child select {
    min-width: 250px;
}

.report-entry-table .contract-unit,
.report-entry-table .contract-quantity {
    white-space: nowrap;
    text-align: center;
}

.labor-cumulative {
    background: rgba(15, 118, 110, 0.08) !important;
    font-weight: 700;
}

.print-report-heading {
    display: none;
}

.report-project-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
}

.report-project-summary div {
    display: grid;
    gap: 3px;
}

.report-project-summary strong {
    font-size: 0.85rem;
    color: var(--muted);
}

.report-progress {
    color: var(--brand-dark);
    font-size: 1.2rem;
    font-weight: 700;
}

@media print {
    .site-header,
    .report-print-panel > h2,
    .report-print-panel > .success,
    .report-print-panel > .error,
    .report-print-panel > .hint,
    .report-print-panel > .date-links,
    .print-actions,
    .add-report-row,
    .row-remove,
    #report-form > .btn-primary,
    .dashboard-wrap > section:not(.report-print-panel) {
        display: none !important;
    }

    body,
    .dashboard-wrap,
    .report-print-panel {
        width: 100%;
        margin: 0;
        background: #fff;
        box-shadow: none;
    }

    .report-print-panel {
        border: 0;
        padding: 0;
    }

    .report-entry-table {
        min-width: 0;
        font-size: 0.8rem;
    }

    .print-report-heading {
        display: block;
        position: relative;
        text-align: center;
        margin-bottom: 14px;
    }

    .print-report-heading h1 {
        margin: 0;
        font-size: 1.5rem;
    }

    .print-report-heading h2 {
        margin: 4px 0 12px;
        font-size: 1.2rem;
    }

    .print-issued-at {
        position: absolute;
        top: 0;
        left: 0;
        font-size: 0.75rem;
    }

    .print-title-meta {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        text-align: left;
        font-size: 0.85rem;
    }

    .report-project-summary {
        grid-template-columns: repeat(3, 1fr);
        border-color: #777;
        border-radius: 0;
    }
}

@media (max-width: 860px) {
    .major-amount-form,
    .minor-add-form {
        grid-template-columns: 1fr;
    }
}