:root {
    --bg1: #0b1b2b;
    --bg2: #0f2c4a;
    --card: #ffffff;
    --text: #0c1a2b;
    --muted: #6b7280;
    --line: rgba(15, 23, 42, 0.10);
    --primary: #1a73e8;
    --danger: #b42318;
    --warn: #b54708;
    --ok: #027a48;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    min-height: 100vh;
    background: radial-gradient(1200px 600px at 30% 20%, rgba(26, 115, 232, 0.35), transparent 60%),
        linear-gradient(135deg, var(--bg1), var(--bg2));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-wrap {
    width: 100%;
    max-width: 980px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
}

.auth-left {
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    min-height: 520px;
    background: #061522;
    border: 1px solid rgba(255, 255, 255, 0.10);
}

.auth-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.85;
}

.auth-left .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.35), rgba(2, 6, 23, 0.85));
}

.auth-left .brand {
    position: absolute;
    left: 22px;
    bottom: 22px;
    right: 22px;
    color: #fff;
}

.auth-left .brand h1 {
    margin: 0 0 6px 0;
    font-size: 28px;
    letter-spacing: 0.4px;
}

.auth-left .brand p {
    margin: 0;
    opacity: 0.9;
    line-height: 1.35;
}

.auth-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: 18px;
    padding: 22px 22px 18px;
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.25);
}

.auth-card h2 {
    margin: 0 0 6px;
    font-size: 20px;
}

.auth-card p.sub {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 13px;
}

.field {
    margin: 12px 0;
}

.field label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    outline: none;
    background: #fff;
}

.field input:focus {
    border-color: rgba(26, 115, 232, 0.55);
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.12);
}

.btn {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 12px 12px;
    cursor: pointer;
    font-weight: 650;
    background: var(--primary);
    color: #fff;
    margin-top: 10px;
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.a {
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
}

.msg {
    margin: 10px 0 0;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    font-size: 13px;
}

.msg.error {
    border-color: rgba(180, 35, 24, 0.25);
    color: var(--danger);
    background: rgba(180, 35, 24, 0.06);
}

.msg.warn {
    border-color: rgba(181, 71, 8, 0.25);
    color: var(--warn);
    background: rgba(181, 71, 8, 0.06);
}

.msg.ok {
    border-color: rgba(2, 122, 72, 0.25);
    color: var(--ok);
    background: rgba(2, 122, 72, 0.06);
}

.msg.info {
    border-color: rgba(26, 115, 232, 0.25);
    color: #135aa9;
    background: rgba(26, 115, 232, 0.06);
}

@media (max-width: 980px) {
    .auth-wrap {
        grid-template-columns: 1fr;
    }

    .auth-left {
        min-height: 240px;
    }
}