@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap");

:root {
    --green: #17653a;
    --dark: #102b1d;
    --bg: #f3f6f4;
    --white: #fff;
    --text: #1d2923;
    --muted: #6a756f;
    --border: #dce5df;
    --danger: #b5342d;
    --shadow: 0 16px 40px rgba(21,58,38,.10);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
}

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

button,input,textarea {
    font: inherit;
}

.admin-layout {
    min-height: 100vh;
}

.admin-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    background: var(--dark);
    color: #d9e6dd;
    padding: 24px;
    display: flex;
    flex-direction: column;
    z-index: 50;
}

.admin-brand img {
    width: 165px;
    margin: 4px 0 34px;
}

.admin-sidebar nav {
    display: grid;
    gap: 7px;
}

.admin-sidebar nav a,.admin-sidebar__bottom a {
    padding: 12px 14px;
    border-radius: 10px;
    font-weight: 700;
}

.admin-sidebar nav a:hover,.admin-sidebar nav a.is-active {
    background: rgba(255,255,255,.12);
    color: white;
}

.admin-sidebar__bottom {
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,.12);
    padding-top: 18px;
    display: grid;
}

.admin-main {
    margin-left: 260px;
    min-height: 100vh;
}

.admin-topbar {
    height: 76px;
    background: white;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 20;
}

.admin-topbar button {
    display: none;
    border: 0;
    background: transparent;
    font-size: 25px;
}

.admin-topbar>div {
    display: grid;
}

.admin-topbar span {
    font-size: 13px;
    color: var(--muted);
}

.admin-content {
    padding: 30px;
    max-width: 1440px;
    margin: auto;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card,.admin-panel {
    background: white;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 5px 18px rgba(20,50,31,.04);
}

.stat-card {
    padding: 24px;
    display: grid;
}

.stat-card span,.stat-card small {
    color: var(--muted);
}

.stat-card strong {
    font-size: 40px;
    color: var(--green);
    margin: 8px 0;
}

.admin-panel {
    padding: 24px;
    margin-bottom: 24px;
}

.admin-panel--small {
    max-width: 620px;
}

.admin-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.admin-panel__header h2,.admin-form h2 {
    margin: 0 0 5px;
}

.admin-panel__header p {
    margin: 0;
    color: var(--muted);
}

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

.quick-grid a {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    display: grid;
    gap: 7px;
}

.quick-grid a:hover {
    border-color: var(--green);
    box-shadow: var(--shadow);
}

.quick-grid span {
    color: var(--muted);
    font-size: 14px;
}

.admin-table-wrap {
    overflow-x: auto;
}

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

.admin-table th,.admin-table td {
    text-align: left;
    padding: 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.admin-table th {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--muted);
}

.admin-table small {
    color: var(--muted);
}

.table-thumb {
    width: 68px;
    height: 52px;
    object-fit: cover;
    border-radius: 9px;
    background: #f3f6f4;
}

.status {
    display: inline-flex;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.status--active {
    background: #e4f5ea;
    color: #136336;
}

.status--muted {
    background: #edf0ee;
    color: #68736d;
}

.action-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.action-links a,.action-links button {
    color: var(--green);
    font-weight: 800;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.action-links button {
    color: var(--danger);
}

.admin-empty {
    text-align: center;
    color: var(--muted);
    padding: 40px !important;
}

.admin-form {
    display: grid;
    gap: 18px;
}

.admin-form label {
    display: grid;
    gap: 7px;
    font-weight: 700;
}

.admin-form input,.admin-form textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    outline: 0;
}

.admin-form input:focus,.admin-form textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(23,101,58,.12);
}

.admin-form small {
    color: var(--muted);
    font-weight: 400;
}

.admin-form--wide {
    gap: 24px;
}

.form-columns {
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    gap: 28px;
}

.form-section {
    display: grid;
    gap: 17px;
    align-content: start;
}

.checkbox-label {
    display: flex !important;
    grid-template-columns: auto 1fr !important;
    align-items: center;
    gap: 10px !important;
}

.checkbox-label input {
    width: auto;
}

.form-preview {
    max-width: 100%;
    max-height: 300px;
    border-radius: 14px;
    border: 1px solid var(--border);
    object-fit: contain;
    background: #f6f7f6;
}

.form-actions {
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.admin-btn {
    display: inline-flex;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    font-weight: 800;
    cursor: pointer;
}

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

.admin-btn--ghost {
    border-color: var(--border);
    background: white;
}

.admin-alert {
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.admin-alert ul {
    margin: 0;
    padding-left: 20px;
}

.admin-alert--success {
    background: #e4f5ea;
    color: #136336;
}

.admin-alert--error {
    background: #fff0ef;
    color: #9c2b25;
}

.message-list {
    display: grid;
    gap: 16px;
}

.message-card {
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: 14px;
    background: #fff;
}

.message-card.is-unread {
    border-left: 5px solid var(--green);
    background: #f8fcf9;
}

.message-card__header {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.message-card h3,.message-card h4 {
    margin: 0 0 5px;
}

.message-card p {
    color: var(--muted);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg,#e8f2eb,#f7f1e2);
    padding: 24px;
}

.login-card {
    width: min(100%,440px);
    background: white;
    padding: 36px;
    border-radius: 22px;
    box-shadow: var(--shadow);
}

.login-card img {
    width: 180px;
    margin: 0 auto 22px;
}

.login-card h1 {
    text-align: center;
    margin-bottom: 8px;
}

.login-card>p {
    text-align: center;
    color: var(--muted);
    margin-bottom: 24px;
}

.login-card .admin-btn {
    width: 100%;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--green);
    font-weight: 700;
}

@media (max-width:900px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: .25s;
    }

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

    .admin-main {
        margin-left: 0;
    }

    .admin-topbar button {
        display: block;
        margin-right: 15px;
    }

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

    .admin-content {
        padding: 20px;
    }

    .admin-panel__header {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width:560px) {
    .admin-content {
        padding: 14px;
    }

    .admin-panel {
        padding: 17px;
    }

    .message-card__header {
        flex-direction: column;
    }

    .form-actions {
        flex-direction: column;
    }

    .admin-btn {
        width: 100%;
    }
}

.settings-groups {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 22px;
}

.settings-section {
    background: #fafcf9;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
}

.settings-section h2 {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 20px;
}

.media-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    display: grid;
    gap: 13px;
    background: #fafcf9;
}

.media-card>img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    border-radius: 10px;
    background: #edf1ed;
}

.media-card h3 {
    margin: 0;
}

.media-card label {
    display: grid;
    gap: 6px;
    font-weight: 700;
}

.media-card input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 10px;
}

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

.quick-grid {
    grid-template-columns: repeat(4,1fr);
}

@media (max-width:1100px) {
    .media-grid {
        grid-template-columns: repeat(2,1fr);
    }

    .quick-grid {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width:900px) {
    .settings-groups,.form-columns--products {
        grid-template-columns: 1fr;
    }
}

@media (max-width:620px) {
    .media-grid,.quick-grid {
        grid-template-columns: 1fr;
    }

    .media-card>img {
        height: 180px;
    }
}

.media-card__actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.media-card__actions .admin-btn {
    flex: 1;
    min-width: 130px;
}

/* Kiểu chữ trang quản trị */
:root {
    --font-body: "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
}

body,
button,
input,
textarea,
select {
    font-family: var(--font-body);
}

.admin-panel__header h2,
.admin-form h2,
.message-card h3,
.message-card h4,
.login-card h1,
.settings-section h2,
.media-card h3 {
    line-height: 1.35;
    letter-spacing: -0.015em;
}