:root {
    --navy: #1b3049;
    --navy-2: #253a53;
    --teal: #5ec5c7;
    --teal-dark: #2b9294;
    --mist: #c8d7d7;
    --bg: #eef3f4;
    --card: #ffffff;
    --border: #d7e0e3;
    --text: #1b3049;
    --muted: #6b7c8f;
    --danger: #c0392b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

.topnav {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    padding: 0.6rem 1.5rem;
    background: var(--navy);
    border-bottom: 3px solid var(--teal);
    box-shadow: 0 2px 6px rgba(27, 48, 73, 0.25);
}

.topnav a {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
}

.topnav a:hover {
    color: var(--teal);
}

.topnav .brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    letter-spacing: 0.2px;
}

.topnav .brand:hover {
    color: #fff;
}

.topnav .logo {
    height: 28px;
    width: 28px;
    object-fit: contain;
}

.topnav .spacer {
    flex: 1;
}

.topnav .user {
    color: var(--teal);
    font-size: 0.85rem;
    font-weight: 600;
}

.logout-form {
    margin: 0;
}

.logout-form button {
    background: var(--danger);
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.logout-form button:hover {
    background: #a93226;
}

main {
    max-width: 1100px;
    margin: 1.75rem auto;
    padding: 0 1.5rem;
}

h1 {
    font-size: 1.5rem;
    color: var(--navy);
    margin-top: 0;
}

h2 {
    font-size: 1.1rem;
    color: var(--navy);
    margin-top: 1.75rem;
}

a {
    color: var(--teal-dark);
}

a:hover {
    color: var(--navy);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-top: 3px solid var(--teal);
    border-radius: 10px;
    padding: 1.1rem;
}

a.card {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 200ms, box-shadow 200ms;
}

a.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(27, 48, 73, 0.15);
}

.card .num {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--navy);
}

.card .label {
    color: var(--muted);
    font-size: 0.85rem;
}

.card.alert {
    border-top-color: var(--danger);
}

.card.alert .num {
    color: var(--danger);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

th {
    background: var(--navy);
    color: #fff;
    font-weight: 600;
}

th:last-child,
td:last-child {
    text-align: right;
}
tbody tr:hover {
    background: #f4f8f9;
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    background: #e6edf0;
    color: var(--navy);
}

.badge-PAID, .badge-VALID, .badge-ACTIVE {
    background: #d9f2ec;
    color: #1d6b54;
}

.badge-FAILED, .badge-INVALID {
    background: #fbe3e0;
    color: #a93226;
}

.badge-FALLBACK_SENT, .badge-PENDING, .badge-PROCESSING {
    background: #fcf2d6;
    color: #8a6300;
}

.badge-REFUNDED, .badge-ENDED {
    background: #dcedf2;
    color: var(--navy);
}

.badge-PARTIALLY_REFUNDED {
    background: #e8dff5;
    color: #4a2d7a;
}

.inline-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.input-amount {
    padding: 0.4rem 0.6rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.9rem;
    width: 10rem;
}

.flash {
    padding: 0.65rem 0.95rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.flash.ok {
    background: #d9f2ec;
    color: #1d6b54;
}

.flash.err {
    background: #fbe3e0;
    color: #a93226;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 1rem 0;
    align-items: center;
}

.actions form {
    margin: 0;
}

button {
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.45rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 150ms;
}

button:hover {
    background: var(--teal-dark);
}

button.secondary {
    background: #fff;
    color: var(--navy);
    border: 1px solid var(--navy);
}

button.secondary:hover {
    background: var(--navy);
    color: #fff;
}

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

button.danger:hover {
    background: #a93226;
}

.detail-grid {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.5rem 1.4rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--teal);
    border-radius: 10px;
    padding: 1.1rem 1.3rem;
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
}

.detail-grid dt {
    color: var(--muted);
    font-weight: 600;
}

.detail-grid dd {
    margin: 0;
}

.pager {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.filters {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.muted {
    color: var(--muted);
    font-weight: normal;
}

.form-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-top: 3px solid var(--teal);
    border-radius: 10px;
    padding: 1.5rem;
    max-width: 540px;
}

.form-card .field {
    margin-bottom: 1rem;
}

.form-card label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 0.3rem;
}

.form-card input,
.filters select,
.actions input {
    font: inherit;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
}

.form-card input {
    width: 100%;
}

.form-card input:focus,
.filters select:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(94, 197, 199, 0.25);
}

.field-error {
    color: var(--danger);
    font-size: 0.82rem;
    margin-top: 0.25rem;
    display: block;
}

.lead {
    color: var(--muted);
    max-width: 540px;
}

/* --- nav links container (inline on desktop) --- */
.nav-links {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 1.1rem;
}

.nav-toggle,
.nav-burger {
    display: none;
}

/* --- login --- */
.login-main {
    display: flex;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 380px;
}

.login-card h1 {
    margin-bottom: 1.2rem;
}

.login-card button {
    width: 100%;
}

/* --- confirm modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(27, 48, 73, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--card);
    border-radius: 10px;
    padding: 1.5rem;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 8px 24px rgba(27, 48, 73, 0.3);
}

.modal p {
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.modal-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* --- mobile --- */
@media (max-width: 720px) {
    main {
        margin: 1.1rem auto;
        padding: 0 1rem;
    }

    h1 {
        font-size: 1.3rem;
    }

    /* collapsible hamburger nav */
    .topnav {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.6rem 1rem;
    }

    .nav-burger {
        display: block;
        margin-left: auto;
        color: #fff;
        font-size: 1.6rem;
        line-height: 1;
        padding: 0.1rem 0.45rem;
        cursor: pointer;
        user-select: none;
    }

    .nav-links {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-toggle:checked ~ .nav-links {
        display: flex;
    }

    .nav-links a,
    .nav-links .user {
        padding: 0.75rem 0.25rem;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        font-size: 0.95rem;
    }

    .nav-links .spacer {
        display: none;
    }

    .nav-links .logout-form {
        padding: 0.6rem 0 0.2rem;
    }

    .nav-links .logout-form button {
        width: 100%;
        padding: 0.6rem 0.9rem;
    }

    /* denser card grid */
    .cards {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.7rem;
    }

    /* tables -> stacked cards */
    table {
        border: none;
        background: transparent;
        border-radius: 0;
        overflow: visible;
    }

    thead {
        display: none;
    }

    table, tbody, tr, td {
        display: block;
        width: 100%;
    }

    tr {
        background: var(--card);
        border: 1px solid var(--border);
        border-left: 3px solid var(--teal);
        border-radius: 10px;
        margin-bottom: 0.8rem;
        padding: 0.3rem 0.95rem;
    }

    tbody tr:hover {
        background: var(--card);
    }

    td {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        gap: 1rem;
        text-align: right;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border);
    }

    td:last-child {
        border-bottom: none;
    }

    td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--muted);
        text-align: left;
    }

    /* empty-state rows span the card */
    td[colspan] {
        justify-content: center;
        text-align: center;
    }

    td[colspan]::before {
        content: none;
    }

    /* detail pages: single column */
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 0.1rem 0;
    }

    .detail-grid dt {
        margin-top: 0.7rem;
    }

    .detail-grid dt:first-of-type {
        margin-top: 0;
    }

    /* forms: 16px avoids iOS zoom-on-focus; bigger touch targets */
    .form-card {
        padding: 1.1rem;
    }

    .form-card input,
    .filters select,
    .actions input {
        font-size: 16px;
        padding: 0.55rem 0.65rem;
    }

    button {
        padding: 0.6rem 1rem;
    }

    .actions form,
    .actions button {
        width: 100%;
    }
}