:root {
    --blue: #0f5fb8;
    --blue-dark: #0f2f54;
    --green: #16a56b;
    --green-soft: #e9f8f1;
    --red: #dc2626;
    --amber: #d97706;
    --ink: #142033;
    --muted: #64748b;
    --line: #dbe5ef;
    --bg: #f4f8fb;
    --white: #ffffff;
    --shadow: 0 16px 40px rgba(15, 47, 84, 0.09);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

img {
    max-width: 100%;
}

.app-shell {
    min-height: 100vh;
}

.has-sidebar {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
}

.main-shell {
    min-width: 0;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 22px 18px;
    background: var(--blue-dark);
    color: var(--white);
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--green);
    font-weight: 800;
}

.brand small {
    display: block;
    color: #b8c7d8;
    margin-top: 2px;
}

.sidebar nav {
    display: grid;
    gap: 6px;
}

.sidebar nav a,
.logout-link {
    color: #e9f2fb;
    padding: 11px 12px;
    border-radius: 8px;
}

.sidebar nav a:hover,
.sidebar nav a.active,
.logout-link:hover {
    background: rgba(255, 255, 255, 0.12);
}

.logout-link {
    margin-top: auto;
}

.topbar {
    min-height: 96px;
    padding: 22px clamp(18px, 4vw, 38px);
    background: var(--white);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.topbar h1,
.hero h2,
.panel h2 {
    margin: 0;
    letter-spacing: 0;
}

.topbar h1 {
    font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.eyebrow {
    margin: 0 0 5px;
    color: var(--green);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.sidebar-toggle {
    display: none;
    border: 0;
    background: var(--blue);
    color: var(--white);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.user-pill {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    min-width: max-content;
    padding: 9px 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fbfd;
}

.user-pill span,
.muted,
small {
    color: var(--muted);
}

.public-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.page {
    padding: clamp(18px, 4vw, 38px);
}

.hero {
    min-height: calc(100vh - 160px);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: center;
    gap: 28px;
}

.hero-copy h2 {
    max-width: 760px;
    font-size: clamp(2rem, 5vw, 4.5rem);
    line-height: 1;
}

.hero-copy p {
    max-width: 680px;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.7;
}

.hero-actions,
.actions,
.toolbar,
.inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.hero-panel,
.panel,
.form-card,
.merchant-card,
.empty-state {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.hero-panel {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.panel,
.form-card {
    padding: 20px;
}

.panel + .panel,
.details-layout + .panel,
.stats-grid + .panel,
.stats-grid + .details-layout {
    margin-top: 22px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.stats-grid,
.summary-grid,
.option-grid,
.pack-grid,
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
}

.stat-card,
.mini-card {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}

.stat-card span,
.mini-card span,
.summary-grid span {
    display: block;
    color: var(--muted);
    font-size: 0.86rem;
}

.stat-card strong {
    display: block;
    margin-top: 6px;
    font-size: clamp(1.35rem, 3vw, 2rem);
}

.details-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
    gap: 18px;
    align-items: start;
}

.auth-page {
    display: grid;
    place-items: center;
    min-height: calc(100vh - 120px);
}

.form-card {
    width: min(100%, 430px);
}

.form-card.wide {
    width: min(100%, 860px);
}

.form-card h2 {
    margin-top: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--ink);
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--ink);
    background: var(--white);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(15, 95, 184, 0.16);
    border-color: var(--blue);
}

.span-2 {
    grid-column: span 2;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 15px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: #edf4fb;
    color: var(--blue-dark);
    font-weight: 800;
    cursor: pointer;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
}

.btn-outline {
    border-color: var(--blue);
    background: var(--white);
    color: var(--blue);
}

.btn-light {
    background: var(--green-soft);
    color: #096342;
}

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

.btn-muted {
    background: #eef3f8;
}

.btn-small {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 0.86rem;
}

.flash {
    margin: 14px clamp(18px, 4vw, 38px) 0;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--white);
    font-weight: 700;
}

.form-card .flash,
.panel .flash {
    margin: 0 0 14px;
}

.flash-success {
    color: #096342;
    background: var(--green-soft);
    border-color: #b7ebd2;
}

.flash-error {
    color: #991b1b;
    background: #fff1f2;
    border-color: #fecdd3;
}

.flash-info {
    color: var(--blue-dark);
    background: #eef7ff;
    border-color: #c9e2fb;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
}

.empty-cell {
    text-align: center;
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 800;
    background: #e8eef5;
}

.badge-active {
    color: #096342;
    background: var(--green-soft);
}

.badge-pending {
    color: #8a4b05;
    background: #fff7ed;
}

.badge-blocked,
.badge-rejected {
    color: #991b1b;
    background: #fff1f2;
}

.badge-inactive {
    color: #475569;
    background: #f1f5f9;
}

.qr-box {
    display: grid;
    place-items: center;
    width: min(100%, 240px);
    aspect-ratio: 1;
    margin: 0 auto 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    padding: 12px;
}

.qr-box.large {
    width: min(100%, 360px);
}

.qr-page {
    text-align: center;
}

.identifier-display,
.big-balance {
    font-size: clamp(1.4rem, 4vw, 2.4rem);
    font-weight: 900;
}

.copy-line {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
}

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

.option-row {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.option-row input {
    width: 20px;
    min-height: 20px;
}

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

.compact-list div {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.compact-list span {
    display: block;
    color: var(--muted);
}

.merchant-card {
    padding: 18px;
}

.merchant-card h2 {
    margin: 0 0 8px;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.card-meta span:not(.badge) {
    padding: 6px 9px;
    border-radius: 999px;
    background: #eef7ff;
    color: var(--blue-dark);
    font-weight: 800;
}

.checkline {
    display: inline-flex;
    grid-template-columns: none;
    align-items: center;
    gap: 7px;
}

.checkline input {
    width: 18px;
    min-height: 18px;
}

@media (max-width: 920px) {
    .has-sidebar {
        display: block;
    }

    .sidebar {
        position: fixed;
        z-index: 30;
        inset: 0 auto 0 0;
        width: min(82vw, 310px);
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: inline-grid;
        place-items: center;
    }

    .hero,
    .details-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .user-pill {
        align-items: flex-start;
    }

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

    .span-2 {
        grid-column: span 1;
    }

    .toolbar,
    .inline-form {
        align-items: stretch;
        flex-direction: column;
    }

    .toolbar .btn,
    .inline-form .btn {
        width: 100%;
    }

    .copy-line {
        grid-template-columns: 1fr;
    }
}