:root {
    --color-primary: #1A1A2E;
    --color-accent: #E67E22;
    --color-success: #27AE60;
    --color-danger: #C0392B;
    --color-bg: #F5F6FA;
    --color-card: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-light: #7F8C8D;
    --color-border: #CBD5E0;
    --color-disabled: #F0F0F0;
}

@font-face {
    font-family: "Cairo";
    src: url("../fonts/Cairo.woff2") format("woff2"),
         url("../fonts/Cairo-Regular.ttf") format("truetype");
    font-weight: 400;
}

@font-face {
    font-family: "Cairo";
    src: url("../fonts/Cairo-Bold.ttf") format("truetype");
    font-weight: 700;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: "Cairo", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    overflow-x: hidden;
}

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

button,
input {
    font: inherit;
}

.home-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 18px 64px;
}

.home-shell {
    width: 100%;
    max-width: 680px;
    display: grid;
    gap: 30px;
    justify-items: center;
}

.home-brand {
    display: flex;
    justify-content: center;
}

.home-logo,
.home-logo-placeholder {
    display: block;
    max-width: 180px;
    width: 100%;
    height: auto;
}

.home-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.home-action {
    min-height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 22px;
    background: var(--color-card);
    border: 1px solid rgba(26, 26, 46, 0.06);
    border-radius: 16px;
    box-shadow: 0 8px 22px rgba(26, 26, 46, 0.08);
    color: var(--color-primary);
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    transition: background 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.home-action:hover,
.home-action:focus-visible {
    background: var(--color-primary);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(26, 26, 46, 0.16);
    outline: none;
}

.home-icon {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(230, 126, 34, 0.12);
    color: var(--color-accent);
    font-size: 26px;
    line-height: 1;
}

.home-action:hover .home-icon,
.home-action:focus-visible .home-icon {
    background: rgba(255, 255, 255, 0.16);
    color: #FFFFFF;
}

.site-footer {
    position: fixed;
    right: 0;
    bottom: 14px;
    left: 0;
    text-align: center;
    color: #888888;
    font-size: 13px;
}

.page-shell {
    width: calc(100% - 28px);
    max-width: 1040px;
    margin: 0 auto;
    padding: 24px 0 44px;
    overflow-x: hidden;
}

.page-header {
    position: relative;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.page-header h1 {
    margin: 0;
    color: var(--color-primary);
    font-size: 22px;
    font-weight: 700;
    text-align: center;
}

.back-link {
    position: absolute;
    top: 0;
    right: 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 8px;
    color: var(--color-primary);
    background: #FFFFFF;
    border: 1px solid rgba(26, 26, 46, 0.08);
    font-weight: 700;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.back-link:hover,
.back-link:focus-visible {
    color: #FFFFFF;
    background: var(--color-primary);
    outline: none;
}

.card {
    background: var(--color-card);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.card h2 {
    margin: 0;
    color: var(--color-primary);
    font-size: 18px;
    font-weight: 700;
}

.section-line {
    height: 1px;
    background: var(--color-border);
    margin: 14px 0 20px;
}

.section-heading-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

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

label span,
.detail-grid span,
.summary-card span {
    color: var(--color-text-light);
    font-size: 14px;
    font-weight: 700;
}

input[type="text"],
input[type="tel"],
input[type="number"],
input[type="file"] {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    background: #FFFFFF;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="file"]:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
}

input[readonly],
input:disabled {
    background: var(--color-disabled);
    color: var(--color-text-light);
    cursor: not-allowed;
}

input.input-error {
    border-color: var(--color-danger);
}

.form-error {
    color: var(--color-danger);
    font-size: 13px;
}

.hidden {
    display: none !important;
}

.products-container {
    display: grid;
    gap: 14px;
}

.product-row {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 44px;
    gap: 12px;
    align-items: end;
}

.btn,
button.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 0;
    border-radius: 8px;
    padding: 12px 24px;
    color: #FFFFFF;
    background: var(--color-primary);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.btn:hover,
.btn:focus-visible {
    background: var(--color-accent);
    transform: translateY(-1px);
    outline: none;
}

.btn-secondary {
    background: var(--color-accent);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: var(--color-primary);
}

.btn-wide {
    width: 100%;
}

.btn-remove-product {
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 8px;
    background: var(--color-danger);
    color: #FFFFFF;
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    transition: background 0.2s, transform 0.1s;
}

.btn-remove-product:hover,
.btn-remove-product:focus-visible {
    background: #A93226;
    transform: translateY(-1px);
    outline: none;
}

.spinner {
    width: 28px;
    height: 28px;
    display: inline-block;
    border: 3px solid rgba(26, 26, 46, 0.18);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner.small {
    width: 18px;
    height: 18px;
    display: none;
    margin-inline-start: 10px;
    border-color: rgba(255, 255, 255, 0.35);
    border-top-color: #FFFFFF;
}

.is-loading .spinner.small {
    display: inline-block;
}

.spinner-block {
    display: flex;
    justify-content: center;
    padding: 18px;
}

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

.search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
}

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

.result-card {
    display: grid;
    gap: 6px;
    padding: 18px 20px;
    background: #FFFFFF;
    border: 1.5px solid transparent;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: border-color 0.2s, transform 0.1s;
}

.result-card:hover,
.result-card:focus-visible {
    border-color: var(--color-accent);
    transform: translateY(-1px);
    outline: none;
}

.result-card strong {
    color: var(--color-primary);
}

.empty-state {
    color: var(--color-text-light);
    text-align: center;
    font-weight: 700;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.detail-grid div,
.summary-card div {
    display: grid;
    gap: 4px;
}

.detail-grid strong,
.summary-card strong {
    color: var(--color-primary);
    font-size: 17px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
}

th {
    background: var(--color-text);
    color: #FFFFFF;
    padding: 12px;
    text-align: right;
}

td {
    border: 1px solid var(--color-border);
    padding: 10px 12px;
    text-align: right;
}

.money-inline {
    direction: ltr;
    unicode-bidi: isolate;
    display: inline-block;
    white-space: nowrap;
}

tbody tr:nth-child(even) {
    background: #F8F9FA;
}

.summary-card {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.success-text {
    color: var(--color-success) !important;
}

.danger-text {
    color: var(--color-danger) !important;
}

.chart-card {
    min-height: 390px;
}

.chart-wrap {
    position: relative;
    width: 100%;
    height: 360px;
    overflow: hidden;
}

#orders-chart {
    width: 100% !important;
    max-width: 100%;
    height: 100% !important;
    display: block;
}

.settings-form {
    display: grid;
    gap: 14px;
}

.logo-preview {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}

.logo-preview img {
    max-width: 200px;
    max-height: 160px;
    object-fit: contain;
}

.logo-empty {
    min-width: 180px;
    min-height: 96px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1.5px dashed var(--color-border);
    border-radius: 8px;
    color: var(--color-primary);
    font-weight: 700;
}

.range-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--color-accent);
}

.muted-text {
    margin: 0 0 16px;
    color: var(--color-text-light);
    font-weight: 700;
}

.toast {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 30;
    max-width: min(360px, calc(100% - 36px));
    padding: 12px 20px;
    border-radius: 8px;
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    transform: translateX(130%);
    opacity: 0;
    animation: toast-in 0.25s ease forwards, toast-out 0.25s ease forwards 2.75s;
}

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

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

@keyframes toast-in {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toast-out {
    to {
        transform: translateX(130%);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .home-page {
        align-items: flex-start;
        padding-top: 24px;
    }

    .home-grid,
    .form-grid,
    .product-row,
    .detail-grid,
    .summary-card,
    .search-form {
        grid-template-columns: 1fr;
    }

    .home-action {
        min-height: 132px;
        font-size: 16px;
    }

    .page-header {
        justify-content: flex-end;
        padding-top: 58px;
    }

    .page-header h1 {
        width: 100%;
    }

    .back-link {
        top: 0;
    }

    .card {
        padding: 18px;
        border-radius: 10px;
    }

    .section-heading-row {
        align-items: stretch;
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}