:root {
    color-scheme: dark;
    --admin-bg: #07110f;
    --admin-panel: rgba(14, 31, 27, 0.88);
    --admin-panel-strong: #10241f;
    --admin-border: rgba(122, 210, 170, 0.18);
    --admin-text: #f3f8f5;
    --admin-muted: #9bb8ac;
    --admin-brand: #30d68a;
    --admin-brand-dark: #0d9e61;
    --admin-error: #ff7c7c;
    --admin-success: #5ee5a6;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 8%, rgba(48, 214, 138, 0.18), transparent 28rem),
        radial-gradient(circle at 92% 18%, rgba(39, 130, 160, 0.16), transparent 34rem),
        var(--admin-bg);
    color: var(--admin-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

a { color: inherit; }

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

.admin-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px max(24px, calc((100vw - 1180px) / 2));
    border-bottom: 1px solid var(--admin-border);
    background: rgba(7, 17, 15, 0.86);
    backdrop-filter: blur(18px);
}

.admin-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--admin-text);
    text-decoration: none;
}

.admin-brand span:last-child { display: grid; gap: 2px; }
.admin-brand strong { font-size: 16px; letter-spacing: 0.02em; }
.admin-brand small { color: var(--admin-muted); font-size: 11px; }

.admin-brand-mark {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--admin-brand), var(--admin-brand-dark));
    color: #062118;
    font-weight: 800;
    font-size: 14px;
    box-shadow: 0 12px 32px rgba(48, 214, 138, 0.24);
}

.admin-nav { display: flex; align-items: center; gap: 8px; }
.admin-nav a,
.admin-link-button {
    padding: 9px 13px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--admin-muted);
    font-size: 13px;
    text-decoration: none;
    background: transparent;
    cursor: pointer;
}
.admin-nav a:hover,
.admin-link-button:hover { color: var(--admin-text); border-color: var(--admin-border); background: rgba(255, 255, 255, 0.04); }

.admin-main {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
    padding: 48px 0 72px;
}

.admin-auth-card {
    width: min(440px, 100%);
    margin: 9vh auto 0;
    padding: 32px;
    border: 1px solid var(--admin-border);
    border-radius: 24px;
    background: var(--admin-panel);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(20px);
}

.admin-auth-heading { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 26px; }
.admin-auth-heading h1 { margin: 3px 0 6px; font-size: 27px; }
.admin-auth-heading p { margin: 0; color: var(--admin-muted); font-size: 13px; line-height: 1.6; }

.admin-eyebrow {
    margin: 0;
    color: var(--admin-brand);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.admin-page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}
.admin-page-heading h1 { margin: 6px 0 8px; font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.035em; }
.admin-page-heading p:not(.admin-eyebrow) { margin: 0; color: var(--admin-muted); line-height: 1.7; }

.admin-pill {
    flex: 0 0 auto;
    padding: 9px 13px;
    border: 1px solid var(--admin-border);
    border-radius: 999px;
    color: var(--admin-muted);
    font-size: 12px;
}

.admin-grid { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr); gap: 20px; align-items: start; }
.admin-card {
    padding: 24px;
    border: 1px solid var(--admin-border);
    border-radius: 20px;
    background: var(--admin-panel);
    backdrop-filter: blur(18px);
}
.admin-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.admin-card-heading h2 { margin: 5px 0 0; font-size: 20px; }

.admin-status-dot {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(48, 214, 138, 0.12);
    color: var(--admin-success);
    font-size: 11px;
    font-weight: 700;
}

.admin-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; margin: 0 0 24px; }
.admin-details div { min-width: 0; }
.admin-details dt { margin-bottom: 6px; color: var(--admin-muted); font-size: 11px; }
.admin-details dd { margin: 0; font-size: 14px; line-height: 1.6; word-break: break-word; }
.admin-detail-wide { grid-column: 1 / -1; }
.admin-version { color: var(--admin-brand); font-size: 24px !important; font-weight: 800; letter-spacing: -0.02em; }
.admin-code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px !important; color: #c4d8d0; }

.admin-empty-state { padding: 34px 22px; border: 1px dashed var(--admin-border); border-radius: 16px; text-align: center; }
.admin-empty-state p { color: var(--admin-muted); font-size: 13px; }
code { padding: 2px 5px; border-radius: 5px; background: rgba(255, 255, 255, 0.07); }

.admin-form { display: grid; gap: 18px; }
.admin-field { display: grid; gap: 8px; color: var(--admin-text); font-size: 12px; font-weight: 650; }
.admin-field small { color: var(--admin-muted); font-size: 11px; font-weight: 400; line-height: 1.5; }

.admin-field input,
.admin-field textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 11px;
    padding: 12px 13px;
    background: rgba(1, 9, 7, 0.56);
    color: var(--admin-text);
    font: inherit;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.admin-field input:focus,
.admin-field textarea:focus { border-color: rgba(48, 214, 138, 0.72); box-shadow: 0 0 0 3px rgba(48, 214, 138, 0.12); }
.admin-field textarea { resize: vertical; }
.admin-field input[type="file"] { padding: 9px; color: var(--admin-muted); }

.admin-primary-button,
.admin-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 0;
    border-radius: 11px;
    padding: 0 16px;
    font: inherit;
    font-size: 13px;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
}
.admin-primary-button { background: linear-gradient(135deg, var(--admin-brand), var(--admin-brand-dark)); color: #04140d; box-shadow: 0 14px 30px rgba(48, 214, 138, 0.16); }
.admin-primary-button:hover { filter: brightness(1.06); }
.admin-secondary-button { border: 1px solid var(--admin-border); color: var(--admin-text); background: rgba(255, 255, 255, 0.03); }

.admin-alert { margin-bottom: 20px; padding: 14px 16px; border-radius: 13px; font-size: 13px; line-height: 1.6; }
.admin-alert ul { margin: 7px 0 0; padding-left: 18px; }
.admin-alert-error { border: 1px solid rgba(255, 124, 124, 0.3); background: rgba(255, 124, 124, 0.09); color: #ffc2c2; }
.admin-alert-success { border: 1px solid rgba(94, 229, 166, 0.3); background: rgba(94, 229, 166, 0.09); color: #bcf7d8; }
.admin-password-card { max-width: 560px; }

@media (max-width: 820px) {
    .admin-header { align-items: flex-start; flex-direction: column; padding: 16px 20px; }
    .admin-nav { width: 100%; overflow-x: auto; }
    .admin-main { width: calc(100% - 32px); padding-top: 32px; }
    .admin-page-heading { align-items: flex-start; flex-direction: column; }
    .admin-grid { grid-template-columns: 1fr; }
    .admin-details { grid-template-columns: 1fr; }
    .admin-detail-wide { grid-column: auto; }
    .admin-auth-card { margin-top: 4vh; padding: 24px; }
}