:root {
    --bg     : #0f1117;
    --surface: #161922;
    --raised : #1c2030;
    --border : rgba(255,255,255,0.08);
    --text   : #e2e4ef;
    --muted  : #6b7280;
    --primary: #0090e7;
    --radius : 4px;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
}

/* ── PAGE SHELL ────────────────────────────────── */
.login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 32px 24px 40px;
    gap: 28px;
    min-height: 100vh;
    justify-content: center;
}

/* ── CARD ──────────────────────────────────────── */
.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 12px 48px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.4);
    overflow: hidden;
}

/* ── BRAND ─────────────────────────────────────── */
.login-brand {
    padding: 36px 36px 28px;
    border-bottom: 1px solid var(--border);
    background: var(--raised);
    text-align: center;
}

.brand-mark {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    background: rgba(0,144,231,0.1);
    border: 1px solid rgba(0,144,231,0.22);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
}

.login-brand h1 {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.4px;
    margin-bottom: 5px;
    line-height: 1.2;
}

.login-brand p {
    font-size: 13px;
    color: var(--muted);
    font-weight: 400;
    margin: 0;
}

/* ── FORM BODY ─────────────────────────────────── */
.login-form {
    padding: 30px 36px 32px;
}

.field-group {
    margin-bottom: 20px;
}

.field-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--muted);
    margin-bottom: 7px;
}

.field-wrap {
    position: relative;
}

.field-wrap i {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--muted);
    pointer-events: none;
    transition: color 0.15s;
}

.field-wrap input {
    display: block;
    width: 100%;
    padding: 11px 14px 11px 40px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    outline: none;
    transition: border-color 0.15s;
}

.field-wrap input::placeholder { color: var(--muted); }
.field-wrap:focus-within i     { color: var(--text); }
.field-wrap input:focus        { border-color: rgba(255,255,255,0.22); }

.login-form button[type="submit"] {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    margin-top: 26px;
    letter-spacing: 0.2px;
    transition: filter 0.15s;
}

.login-form button[type="submit"]:hover  { filter: brightness(1.1); }
.login-form button[type="submit"]:active { filter: brightness(0.93); }

/* ── CARD FOOTER ───────────────────────────────── */
.login-footer {
    padding: 15px 36px;
    border-top: 1px solid var(--border);
    background: var(--raised);
}

.login-footer label {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 13px;
    color: var(--muted);
    cursor: pointer;
    font-weight: 400;
    user-select: none;
}

.login-footer input[type="checkbox"] {
    accent-color: var(--primary);
    width: 14px;
    height: 14px;
    cursor: pointer;
    flex-shrink: 0;
}

/* ── COPYRIGHT ─────────────────────────────────── */
.page-copyright {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    opacity: 0.7;
}

/* ── RESPONSIVE ────────────────────────────────── */
@media (max-width: 480px) {
    .login-brand  { padding: 28px 24px 22px; }
    .login-form   { padding: 24px 24px 28px; }
    .login-footer { padding: 13px 24px; }
    .login-brand h1 { font-size: 17px; }
}