:root {
    --bg: #0d1320;
    --panel: #121a2a;
    --panel-2: #182235;
    --surface: #ffffff;
    --ink: #f7f9fc;
    --muted: #a5b1c2;
    --faint: #687487;
    --line: rgba(255, 255, 255, 0.10);
    --blue: #5f8cff;
    --green: #41d39c;
    --red: #ff6b6b;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    --radius: 8px;
    --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; }

body.admin-body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
}

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

.admin-eyebrow {
    display: inline-flex;
    color: var(--green);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.login-wrap {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 1.05fr);
}

.login-brand-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 42px;
    padding: 54px;
    background:
        linear-gradient(150deg, rgba(95, 140, 255, 0.16), transparent 42%),
        var(--panel);
    border-right: 1px solid var(--line);
}

.login-logo,
.admin-logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0;
}

.login-brand-copy {
    max-width: 480px;
}

.login-brand-copy h1 {
    margin-top: 14px;
    font-size: clamp(34px, 4.2vw, 56px);
    line-height: 1.06;
    letter-spacing: 0;
}

.login-brand-copy p {
    margin-top: 20px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.7;
}

.login-security-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.login-security-list span {
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 700;
}

.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.login-form-box {
    width: min(100%, 430px);
    background: var(--surface);
    color: #142033;
    border-radius: 12px;
    padding: 38px;
    box-shadow: var(--shadow);
}

.login-form-box .admin-eyebrow { color: #0f8f6a; }

.login-form-box h2 {
    margin-top: 10px;
    font-size: 34px;
    letter-spacing: 0;
}

.login-sub {
    margin-top: 8px;
    margin-bottom: 30px;
    color: #657284;
    line-height: 1.55;
}

.login-alert {
    margin-bottom: 20px;
    border: 1px solid rgba(188, 59, 59, 0.22);
    border-left: 4px solid #bc3b3b;
    background: #fff0f0;
    color: #9d2f2f;
    border-radius: var(--radius);
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 600;
}

.form-group { margin-bottom: 18px; }

.form-label {
    display: block;
    margin-bottom: 7px;
    color: #465365;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.form-input {
    width: 100%;
    height: 50px;
    border: 1px solid #d8e1eb;
    border-radius: var(--radius);
    outline: 0;
    padding: 0 14px;
    color: #142033;
    font: 600 15px/1 var(--font);
    transition: border 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
    border-color: #1f5eff;
    box-shadow: 0 0 0 4px rgba(31, 94, 255, 0.10);
}

.form-input.is-invalid { border-color: #bc3b3b; }

.form-error {
    margin-top: 7px;
    color: #bc3b3b;
    font-size: 12px;
    font-weight: 700;
}

.login-submit {
    width: 100%;
    height: 50px;
    margin-top: 14px;
    border: 0;
    border-radius: var(--radius);
    background: #1f5eff;
    color: #fff;
    font: 800 14px/1 var(--font);
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(31, 94, 255, 0.22);
}

.login-submit:hover { background: #1647c7; }

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
}

.admin-sidebar {
    background: var(--panel);
    border-right: 1px solid var(--line);
    padding: 28px;
}

.admin-nav {
    display: grid;
    gap: 8px;
    margin-top: 34px;
}

.admin-nav a,
.admin-nav span {
    display: block;
    border-radius: var(--radius);
    padding: 12px 13px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.admin-nav .active {
    color: #fff;
    background: var(--panel-2);
    border: 1px solid var(--line);
}

.admin-main {
    padding: 36px;
}

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

.admin-topbar h1 {
    margin-top: 6px;
    font-size: clamp(30px, 4vw, 44px);
    letter-spacing: 0;
}

.admin-logout-btn {
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel-2);
    color: var(--ink);
    font: 800 13px/1 var(--font);
    cursor: pointer;
}

.admin-logout-btn:hover {
    border-color: rgba(255, 107, 107, 0.45);
    color: var(--red);
}

.admin-welcome {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 34px;
    padding: 28px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.admin-welcome h2 {
    font-size: 24px;
    letter-spacing: 0;
}

.admin-welcome p {
    max-width: 720px;
    margin-top: 9px;
    color: var(--muted);
    line-height: 1.65;
}

.status-pill {
    flex-shrink: 0;
    color: var(--green);
    background: rgba(65, 211, 156, 0.10);
    border: 1px solid rgba(65, 211, 156, 0.24);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.admin-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.admin-metrics article {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 24px;
}

.admin-metrics span {
    color: var(--faint);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.admin-metrics strong {
    display: block;
    margin-top: 12px;
    font-size: 28px;
}

.admin-metrics p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

@media (max-width: 900px) {
    .login-wrap,
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .login-brand-panel { padding: 34px 24px; }
    .login-form-panel { padding: 26px 18px; }
    .admin-sidebar { display: none; }
    .admin-main { padding: 24px 18px; }
    .admin-topbar,
    .admin-welcome {
        align-items: flex-start;
        flex-direction: column;
    }
    .admin-metrics { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .login-form-box { padding: 26px 20px; }
}