:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --border: #d9deea;
    --text: #171923;
    --muted: #687083;
    --accent: #6C5CE7;
    --success: #1f9d63;
    --danger: #d64545;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #101218;
        --surface: #181b24;
        --border: #2a2f3d;
        --text: #f4f6fb;
        --muted: #a5acbb;
        --success: #36c47f;
        --danger: #ff6464;
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

button,
input,
select {
    font: inherit;
}

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

.shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.nav-tab {
    position: relative;
    padding: 12px 14px;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    transition: color 160ms ease, border-color 160ms ease;
}

.nav-tab:hover,
.nav-tab:focus,
.nav-tab.is-active {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.nav-tab.polling::after {
    content: "";
    position: absolute;
    top: 8px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1200ms ease-in-out infinite;
}

.balance-button {
    min-height: 36px;
    margin-left: auto;
    margin-bottom: 6px;
    padding: 6px 10px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}

.balance-button:hover,
.balance-button:focus {
    border-color: var(--accent);
}

.balance-popover {
    position: fixed;
    z-index: 900;
    display: grid;
    gap: 8px;
    padding: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
}

.popover-value {
    margin: 0 0 6px;
    font-size: 1.15rem;
    font-weight: 800;
}

.app {
    display: grid;
    gap: 16px;
}

.card {
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.card h1,
.card h2,
.card h3 {
    margin-top: 0;
    line-height: 1.2;
}

.view-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.view-header h1,
.view-header p {
    margin-bottom: 0;
}

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

.form-row {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

label {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 600;
}

input,
select {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
}

input:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 9px 14px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: transform 120ms ease, border-color 160ms ease, background 160ms ease;
}

.btn:hover,
.btn:focus {
    border-color: var(--accent);
}

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

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

.btn-primary {
    color: #ffffff;
    background: var(--accent);
    border-color: var(--accent);
}

.btn-danger {
    color: #ffffff;
    background: var(--danger);
    border-color: var(--danger);
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    background: var(--border);
    color: var(--text);
}

.badge.pending {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.badge.success {
    color: var(--success);
    background: color-mix(in srgb, var(--success) 14%, transparent);
}

.badge.error {
    color: var(--danger);
    background: color-mix(in srgb, var(--danger) 14%, transparent);
}

.spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 800ms linear infinite;
}

.spinner.small {
    width: 18px;
    height: 18px;
    border-width: 2px;
}

.status-message {
    margin-top: 12px;
    color: var(--muted);
}

.status-message.error {
    color: var(--danger);
}

.result-card {
    display: grid;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.result-card.success {
    border-color: var(--success);
    background: color-mix(in srgb, var(--success) 10%, var(--surface));
}

.result-card.error {
    border-color: var(--danger);
    background: color-mix(in srgb, var(--danger) 10%, var(--surface));
}

.orders-list {
    display: grid;
    gap: 14px;
}

.order-card {
    display: grid;
    gap: 14px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.order-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.order-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-size: 0.92rem;
}

.order-meta span:not(:last-child)::after {
    content: "/";
    margin-left: 10px;
    color: var(--border);
}

.copy-value {
    padding: 0;
    color: inherit;
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
}

.copy-value:hover,
.copy-value:focus {
    color: var(--accent);
}

.phone-value {
    font-size: 1.55rem;
    font-weight: 800;
}

.otp-area {
    min-height: 44px;
    display: flex;
    align-items: center;
}

.otp-code {
    color: var(--success);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.waiting-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-weight: 700;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1200ms ease-in-out infinite;
}

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

.empty-state {
    text-align: center;
}

.empty-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 10px;
    fill: none;
    stroke: var(--accent);
    stroke-width: 3;
    stroke-linecap: round;
}

.skeleton-card {
    display: grid;
    gap: 12px;
}

.skeleton-line {
    height: 14px;
    width: 70%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--border), color-mix(in srgb, var(--surface) 60%, var(--border)), var(--border));
    background-size: 200% 100%;
    animation: shimmer 1200ms linear infinite;
}

.skeleton-line.wide {
    width: 90%;
    height: 22px;
}

.skeleton-line.short {
    width: 42%;
}

.sub-tabs,
.segmented {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.sub-tab,
.segmented button,
.rental-item {
    min-height: 40px;
    padding: 8px 12px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}

.sub-tab.is-active,
.segmented button.is-active,
.rental-item.is-active {
    color: #ffffff;
    background: var(--accent);
    border-color: var(--accent);
}

.rentals-layout {
    display: grid;
    grid-template-columns: minmax(240px, 340px) 1fr;
    gap: 16px;
}

.rental-list {
    display: grid;
    gap: 8px;
}

.rental-item {
    display: grid;
    gap: 4px;
    text-align: left;
}

.rental-detail {
    display: grid;
    gap: 14px;
}

.progress {
    height: 10px;
    overflow: hidden;
    background: var(--border);
    border-radius: 999px;
}

.progress span {
    display: block;
    height: 100%;
    background: var(--success);
}

.message-row {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.message-row p {
    margin-bottom: 0;
    color: var(--muted);
    overflow-wrap: anywhere;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.history-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.stat-label {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 0.85rem;
}

.stat-value {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.history-toolbar {
    margin: 18px 0 12px;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.history-table {
    width: 100%;
    min-width: 860px;
    border-collapse: collapse;
}

.history-table th,
.history-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

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

.history-row {
    cursor: pointer;
}

.history-row:hover {
    background: color-mix(in srgb, var(--accent) 7%, transparent);
}

.history-details td {
    background: color-mix(in srgb, var(--border) 24%, transparent);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.detail-value {
    margin: 0;
    overflow-wrap: anywhere;
    font-weight: 700;
}

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

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
}

code {
    font-family: Consolas, Monaco, "Courier New", monospace;
}

.hidden {
    display: none !important;
}

.toast-stack {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 1000;
    display: grid;
    gap: 10px;
    width: min(320px, calc(100vw - 32px));
}

.toast {
    padding: 12px 14px;
    color: #ffffff;
    background: var(--accent);
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
    animation: toastIn 180ms ease-out;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.info {
    background: var(--accent);
}

.toast.leaving {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.58);
}

.modal {
    width: min(420px, 100%);
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.modal-wide {
    width: min(680px, 100%);
}

.modal-body {
    max-height: min(520px, 70vh);
    overflow: auto;
}

@media (max-width: 720px) {
    .form-grid,
    .stats-grid,
    .history-stats,
    .details-grid {
        grid-template-columns: 1fr;
    }

    .balance-button {
        width: 100%;
        margin-left: 0;
    }

    .view-header,
    .order-main {
        align-items: stretch;
        flex-direction: column;
    }

    .phone-value,
    .otp-code {
        font-size: 1.4rem;
        overflow-wrap: anywhere;
    }

    .pagination {
        justify-content: stretch;
    }

    .pagination .btn {
        flex: 1;
    }
}

@media (max-width: 640px) {
    body {
        padding-bottom: 76px;
    }

    .shell {
        width: min(100% - 24px, 1120px);
        padding-top: 16px;
    }

    .nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 800;
        justify-content: space-around;
        gap: 0;
        margin: 0;
        padding: 6px;
        background: var(--surface);
        border-top: 1px solid var(--border);
        border-bottom: 0;
    }

    .nav-tab {
        flex: 1;
        padding: 8px 4px;
        font-size: 0.78rem;
        text-align: center;
        border-bottom: 0;
        border-radius: 6px;
    }

    .nav-tab.is-active {
        color: #ffffff;
        background: var(--accent);
    }

    .balance-button {
        order: -1;
        width: 100%;
        margin: 0 0 6px;
    }

    .rentals-layout {
        grid-template-columns: 1fr;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%,
    100% {
        opacity: 0.45;
        transform: scale(0.88);
    }

    50% {
        opacity: 1;
        transform: scale(1.08);
    }
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    to {
        background-position: -200% 0;
    }
}