:root {
    --bg: #f4f1ea;
    --bg-soft: #ece5d8;
    --panel: rgba(255, 255, 255, 0.9);
    --panel-strong: #ffffff;
    --ink: #243228;
    --muted: #627164;
    --line: #d9d3c7;
    --accent: #3d5a40;
    --accent-strong: #1b4332;
    --accent-soft: #dfeadb;
    --accent-soft-strong: #cfe0c8;
    --danger: #a03d2f;
    --danger-soft: #f8d7da;
    --warning-soft: #fff3cd;
    --success-soft: #d4edda;
    --shadow: 0 16px 38px rgba(61, 90, 64, 0.12);
    --shadow-soft: 0 10px 24px rgba(61, 90, 64, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(223, 234, 219, 0.95), transparent 24%),
        radial-gradient(circle at top right, rgba(61, 90, 64, 0.18), transparent 18%),
        radial-gradient(circle at bottom right, rgba(217, 211, 199, 0.9), transparent 22%),
        linear-gradient(180deg, #f6f2e8 0%, #f1ece0 52%, #f4f1ea 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(61, 90, 64, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(61, 90, 64, 0.025) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 72%);
}

a {
    color: var(--accent);
    text-decoration: none;
}

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

.page-shell {
    min-height: 100vh;
    position: relative;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2rem 1.4rem;
    background:
        linear-gradient(135deg, rgba(61, 90, 64, 0.98) 0%, rgba(27, 67, 50, 0.98) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 12px 26px rgba(27, 67, 50, 0.18);
    position: relative;
    z-index: 2;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    color: white;
}

.brand-mark {
    width: 2.7rem;
    height: 2.7rem;
    border-radius: 0.9rem;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--accent);
    background: linear-gradient(180deg, #ffffff 0%, #f4f1ea 100%);
    border: 1px solid rgba(217, 211, 199, 0.95);
    box-shadow: var(--shadow-soft);
}

.brand strong {
    letter-spacing: 0.01em;
}

.brand small {
    color: #dfeadb;
}

.brand small,
td small {
    display: block;
    margin-top: 0.2rem;
}

td small {
    color: var(--muted);
}

.topnav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.topnav a,
.topnav .ghost-button {
    color: rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    padding: 0.6rem 0.95rem;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.topnav a:hover,
.topnav .ghost-button:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
    transform: translateY(-1px);
}

.topnav .ghost-button {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
}

.main-content {
    width: min(1240px, calc(100% - 2rem));
    margin: -0.2rem auto 0;
    padding: 1.35rem 0 3rem;
    position: relative;
    z-index: 1;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 1.6rem;
    padding: 1.4rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.hero-panel {
    min-height: 14rem;
}

.hero-grid,
.grid-2,
.auth-shell,
.summary-grid {
    display: grid;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}

.hero-grid,
.grid-2,
.summary-grid {
    grid-template-columns: 1.5fr 1fr;
}

.auth-shell {
    grid-template-columns: 1.2fr 0.9fr;
    align-items: stretch;
    min-height: calc(100vh - 7rem);
}

.hero-card {
    padding: 2rem;
    border-radius: 2rem;
    background:
        radial-gradient(circle at top right, rgba(223, 234, 219, 0.14), transparent 26%),
        linear-gradient(160deg, rgba(61, 90, 64, 0.98), rgba(27, 67, 50, 0.96));
    color: white;
    box-shadow: 0 24px 44px rgba(27, 67, 50, 0.18);
}

.eyebrow {
    margin: 0 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.76rem;
    color: #6d866f;
}

.hero-card .eyebrow {
    color: #dfeadb;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

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

.muted-inverse {
    color: rgba(255, 255, 255, 0.82);
}

.section-head,
.actions-row,
.file-row,
.membership-form,
.upload-form {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.tab-strip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-soft);
}

.tab-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 600;
}

.tab-link.active {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    box-shadow: 0 10px 18px rgba(27, 67, 50, 0.16);
}

.stats-grid {
    display: grid;
    gap: 1rem;
}

.component-section {
    display: grid;
    gap: 1rem;
}

.compact-stack {
    gap: 0.55rem;
}

.summary-grid {
    align-items: stretch;
}

.component-list {
    display: grid;
    gap: 1rem;
}

.component-card {
    padding: 1rem;
    border-radius: 1.2rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--shadow-soft);
}

.component-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 0.9rem;
}

.stat-card {
    padding: 1.3rem;
    border-radius: 1.4rem;
    background: var(--panel-strong);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
}

.stat-card strong {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.3rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.filter-form,
.form-actions,
.action-cloud,
.table-actions,
.inline-form {
    display: flex;
    gap: 0.8rem;
    align-items: end;
    flex-wrap: wrap;
}

.filter-form {
    margin-bottom: 1rem;
}

.filter-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.subpanel {
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.78);
}

.single-column {
    grid-template-columns: 1fr;
}

label {
    display: grid;
    gap: 0.45rem;
}

label span,
dt {
    font-weight: 600;
}

.field-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.45rem;
}

input,
select,
textarea {
    width: 100%;
    border-radius: 0.9rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.95);
    padding: 0.85rem 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
    border-color: rgba(61, 90, 64, 0.55);
    box-shadow: 0 0 0 4px rgba(223, 234, 219, 0.9);
    background: white;
}

textarea {
    resize: vertical;
}

.full-width {
    grid-column: 1 / -1;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.checkbox-row input {
    width: auto;
}

.primary-button,
.ghost-button,
.link-button,
.danger-button {
    border-radius: 999px;
    border: none;
    padding: 0.85rem 1.2rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.primary-button {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: white;
    box-shadow: 0 14px 26px rgba(27, 67, 50, 0.18);
}

.ghost-button {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--line);
    color: var(--ink);
    box-shadow: var(--shadow-soft);
}

.link-button {
    background: none;
    padding: 0;
    color: var(--accent);
}

.danger-button {
    background: linear-gradient(135deg, #b04a3a 0%, #8f3125 100%);
    color: white;
    box-shadow: 0 14px 26px rgba(160, 61, 47, 0.18);
}

.primary-button:hover,
.ghost-button:hover,
.link-button:hover,
.danger-button:hover {
    transform: translateY(-1px);
}

.top-gap {
    margin-top: 1rem;
}

.danger-link {
    color: var(--danger);
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.9rem 0.75rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background: rgba(223, 234, 219, 0.6);
    color: var(--accent-strong);
    font-weight: 700;
}

.data-table td.table-actions {
    display: table-cell;
    white-space: nowrap;
    vertical-align: middle;
}

.data-table td.table-actions > * {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.data-table td.table-actions > * + * {
    margin-left: 0.8rem;
}

.data-table td.table-actions form {
    margin: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.85rem;
    border: 1px solid rgba(61, 90, 64, 0.08);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.detail-grid dd {
    margin: 0.25rem 0 0;
}

.note-box,
.text-preview {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1rem;
}

.danger-panel {
    border-color: rgba(160, 61, 47, 0.18);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 215, 218, 0.62));
}

.form-panel {
    display: grid;
    gap: 1rem;
}

.auth-helper {
    display: grid;
    gap: 0.25rem;
}

.auth-helper small {
    color: var(--muted);
}

.list-stack {
    display: grid;
    gap: 0.85rem;
}

.action-cloud {
    align-items: stretch;
}

.installment-account-list {
    display: grid;
    gap: 0.75rem;
    margin-top: 0.6rem;
}

.installment-account-row {
    display: grid;
    grid-template-columns: 8rem 1fr;
    gap: 0.9rem;
    align-items: center;
}

.file-row {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--shadow-soft);
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.flash-stack {
    display: grid;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.flash {
    padding: 0.95rem 1rem;
    border-radius: 1rem;
}

.flash-success {
    background: var(--success-soft);
    border: 1px solid rgba(61, 90, 64, 0.12);
}

.flash-error {
    background: var(--danger-soft);
    border: 1px solid rgba(160, 61, 47, 0.12);
}

.flash-warning {
    background: var(--warning-soft);
    border: 1px solid rgba(143, 101, 33, 0.12);
}

.empty-state {
    padding: 2rem;
    text-align: center;
    border: 1px dashed var(--line);
    border-radius: 1.2rem;
    background: rgba(255, 255, 255, 0.7);
}

.small-empty {
    padding: 1.2rem;
}

.preview-frame {
    width: 100%;
    min-height: 70vh;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: white;
}

.image-frame {
    display: flex;
    justify-content: center;
    padding: 1rem;
}

.image-frame img {
    max-width: 100%;
    height: auto;
    border-radius: 0.8rem;
}

.narrow-panel {
    width: min(720px, 100%);
    margin: 0 auto 1.2rem;
}

@media (max-width: 960px) {
    .hero-grid,
    .grid-2,
    .summary-grid,
    .auth-shell,
    .form-grid,
    .component-grid,
    .filter-grid-3,
    .installment-account-row {
        grid-template-columns: 1fr;
    }

    .topbar,
    .topnav,
    .section-head,
    .actions-row,
    .membership-form,
    .upload-form,
    .file-row {
        flex-direction: column;
        align-items: stretch;
    }

    .main-content {
        width: min(100% - 1rem, 1200px);
    }
}