:root {
    --font-main: Arial, Helvetica, sans-serif;
    --color-text: #222;
    --color-text-dark: #111;
    --color-text-soft: #333;
    --color-muted: #666;
    --color-link: #0000cc;
    --color-link-alt: #191970;

    --color-white: #fff;
    --color-bg: #ffffff;
    --color-light: #efefef;
    --color-light-2: #f2f2f2;
    --color-light-3: #e6e6e6;
    --color-light-4: #fafafa;
    --color-light-5: #f5f5f5;
    --color-gray: #6a6a6a;

    --color-border: #999;
    --color-border-soft: #ddd;
    --color-border-soft-2: #dcdcdc;
    --color-border-admin: #e4e4e4;
    --color-border-admin-page: #e2e2e2;

    --color-green: #8fce63;
    --color-green-hover: #79bb4b;
    --color-green-dark: #6cab3d;
    --color-green-dark-2: #5a962f;
    --color-green-soft: #cfe7be;

    --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.08);
    --shadow-form: 0 8px 24px rgba(0, 0, 0, 0.08);
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 13px;
}

.container {
    width: 800px;
    margin: 0 auto;
    background: var(--color-white);
}

/* ================= BANNER ================= */
.banner {
    margin: 0 auto 12px;
    text-align: center;
}

.banner img {
    display: block;
    width: 100%;
    height: 350px;
    object-fit: cover;
}

/* ================= TOPBAR ================= */
.topbar,
.menu,
.search-box form,
.main-content,
.admin-choice-wrap {
    display: flex;
    align-items: center;
}

.topbar {
    justify-content: space-between;
    padding: 6px 0 12px;
}

.menu a,
.sp a,
.action-cell a,
.right form:not(.admin-form) a {
    text-decoration: none;
}

.menu a,
.menu span {
    font-size: 14px;
    line-height: 28px;
}

.menu a {
    color: var(--color-text-soft);
}

.menu a:hover,
.sp a:hover,
.search-box button:hover {
    color: var(--color-link);
}

.menu span {
    margin: 0 6px;
    color: var(--color-muted);
}

/* ================= FORM BASE ================= */
.search-box form {
    gap: 4px;
}

.search-box input,
.admin-form input,
.admin-form select,
.right form input,
.right form select {
    border: 1px solid var(--color-border);
    background: var(--color-white);
    font-size: 13px;
    outline: none;
}

.search-box button,
.admin-form button,
.right form input[type="submit"],
.right form button {
    border: 1px solid var(--color-border);
    background: var(--color-light-2);
    font-size: 13px;
    cursor: pointer;
}

.search-box button:hover,
.admin-form button:hover,
.right form input[type="submit"]:hover,
.right form button:hover {
    background: var(--color-light-3);
}

.search-box input {
    width: 185px;
    height: 28px;
    padding: 0 8px;
}

.search-box button {
    height: 28px;
    padding: 0 12px;
    color: #000;
}

/* ================= MAIN LAYOUT ================= */
.main-content {
    gap: 14px;
    align-items: stretch;
}

.left {
    width: 180px;
    min-height: 330px;
    padding: 10px;
    background: var(--color-light);
}

.right {
    width: 606px;
    min-height: 330px;
    padding: 0;
}

/* ================= LEFT MENU ================= */
.brand-list {
    list-style: none;
}

.brand-list li a {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--color-green);
    color: #000;
    font-size: 13px;
    font-weight: bold;
    line-height: 1.3;
    text-decoration: none;
    border-bottom: 1px solid var(--color-green-soft);
}

.brand-list li a:hover {
    background: var(--color-green-hover);
    color: var(--color-white);
}

/* ================= ADMIN ================= */
.admin-page,
.admin-home,
.admin-panel {
    width: 100%;
    background: var(--color-light);
}

.admin-page,
.admin-home {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.admin-page {
    min-height: 135px;
    padding: 0 20px;
    border: 1px solid var(--color-border-admin-page);
}

.admin-home {
    min-height: 160px;
    border: 1px solid var(--color-border-admin);
}

.admin-panel {
    padding: 16px;
}

.admin-page h1,
.admin-home h1 {
    font-size: 30px;
    font-weight: bold;
    color: var(--color-text-dark);
}

.admin-page h1 {
    line-height: 1.2;
    letter-spacing: 0.5px;
    text-shadow: 1px 1px 0 var(--color-white);
}

.admin-page p {
    margin-top: 10px;
    color: var(--color-text-soft);
    font-size: 14px;
    line-height: 1.5;
}

.admin-panel h1 {
    margin-bottom: 14px;
    font-size: 20px;
    font-weight: bold;
    color: var(--color-text-dark);
}

.admin-form {
    margin-bottom: 16px;
    padding: 14px;
    background: var(--color-white);
    border: 1px solid var(--color-border-soft);
}

.admin-form label {
    display: block;
    margin: 8px 0 4px;
    font-size: 13px;
    font-weight: bold;
}

.admin-form input,
.admin-form select {
    width: 100%;
    height: 32px;
    padding: 0 8px;
}

.admin-form input[type="file"] {
    height: auto;
    padding: 6px 8px;
    background: var(--color-white);
}

.admin-form button {
    margin-top: 12px;
    height: 32px;
    padding: 0 14px;
}

.admin-table,
.right table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
}

.admin-table th,
.admin-table td {
    padding: 8px 6px;
    border: 1px solid #888;
    font-size: 12px;
    vertical-align: top;
    word-break: break-word;
    overflow-wrap: break-word;
}

.admin-table th {
    background: var(--color-light-5);
    text-align: center;
    font-weight: bold;
}

.admin-table td:nth-child(4),
.admin-table th:nth-child(4) {
    width: 110px;
}

.admin-thumb {
    display: block;
    width: 55px;
    height: 55px;
    margin: 0 auto;
    object-fit: contain;
}

.action-cell {
    text-align: center;
    white-space: nowrap;
}

.action-cell a {
    color: var(--color-link);
    font-weight: bold;
}

.action-cell a:hover,
.right form:not(.admin-form) a:hover {
    text-decoration: underline;
}

.admin-choice-wrap {
    gap: 16px;
    margin-bottom: 18px;
}

.admin-choice-card {
    flex: 1;
    display: block;
    padding: 18px 14px;
    background: var(--color-white);
    border: 1px solid var(--color-border-soft-2);
    border-radius: var(--radius-lg);
    text-align: center;
    text-decoration: none;
    color: var(--color-text);
    font-size: 16px;
    font-weight: bold;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.admin-choice-card:hover {
    background: #f7fff1;
    border-color: var(--color-green);
    color: var(--color-green-dark-2);
}

.admin-choice-card.active {
    background: var(--color-green);
    color: var(--color-white);
    border-color: var(--color-green-hover);
}

.admin-message-box {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 190px;
    padding: 20px;
    background: #eee;
    text-align: center;
}

.admin-message-box h2 {
    font-size: 22px;
    font-weight: bold;
    color: var(--color-text-dark);
}

/* ================= PRODUCT TABLE ================= */
.right table {
    margin-top: 0;
    table-layout: fixed;
}

.sp {
    width: 25%;
    padding: 4px 4px 14px;
    color: var(--color-text-dark);
    font-size: 12px;
    line-height: 1.4;
    text-align: center;
    vertical-align: top;
}

.sp img {
    display: block;
    width: 118px;
    height: 78px;
    margin: 0 auto 4px;
    object-fit: contain;
}

.sp a {
    display: block;
    margin-bottom: 4px;
    color: var(--color-link-alt);
    font-size: 14px;
    font-weight: bold;
    line-height: 1.2;
}

.sp s {
    color: var(--color-text-soft);
}

/* ================= LOGIN / REGISTER FORM ================= */
.right form:not(.admin-form) {
    max-width: 430px;
    margin: 24px auto;
    padding: 24px 22px;
    background: var(--color-white);
    border: 1px solid var(--color-border-soft-2);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-form);
}

.right form:not(.admin-form) :is(h2, h3) {
    margin-bottom: 18px;
    text-align: center;
    font-size: 24px;
    color: var(--color-text);
}

.right form:not(.admin-form) :is(label, p) {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text-soft);
    font-size: 14px;
    font-weight: bold;
}

.right form:not(.admin-form) input,
.right form:not(.admin-form) select {
    width: 100%;
    height: 40px;
    margin: 0 0 14px;
    padding: 0 12px;
    border: 1px solid #cfcfcf;
    border-radius: var(--radius-md);
    background: var(--color-light-4);
    font-size: 14px;
    transition: var(--transition);
}

.right form:not(.admin-form) :is(input, select):focus {
    border-color: var(--color-green-dark);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(108, 171, 61, 0.15);
}

.right form:not(.admin-form) input[type="file"] {
    height: auto;
    padding: 8px 10px;
    background: var(--color-white);
}

.right form:not(.admin-form) :is(input[type="submit"], button) {
    width: 100%;
    height: 42px;
    margin-top: 6px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-green-dark);
    color: var(--color-white);
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.right form:not(.admin-form) :is(input[type="submit"], button):hover {
    background: var(--color-green-dark-2);
}

.right form:not(.admin-form) a {
    color: #2c5cc5;
    font-size: 13px;
}

.right form:not(.admin-form) .form-row {
    margin-bottom: 12px;
}

.right form:not(.admin-form) .text-center {
    text-align: center;
}

.right form:not(.admin-form) small {
    display: block;
    margin: -8px 0 12px;
    color: #777;
    font-size: 12px;
}

/* ================= FOOTER ================= */
.footer {
    width: 800px;
    margin: 0 auto;
    padding: 14px 0;
    background: var(--color-gray);
    color: var(--color-white);
    text-align: center;
    font-size: 13px;
}

/* ================= FORM UPDATE ================= */
.form-wrapper {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
}

.form-wrapper-2 {
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
}

.admin-panel-update {
    padding: 0px;
}

.image-preview {
    text-align: center;
}

.image-preview img {
    width: 220px;
    padding-top: 100px;
    border-radius: 10px;
}

.btn-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.btn-group button {
    min-width: 140px;
    height: 40px;
    padding: 0 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}

.btn-group button[type="reset"]:hover {
    background: #ccc;
}