:root {
    --ink: #202124;
    --muted: #626a70;
    --paper: #f4f1ec;
    --surface: #ffffff;
    --line: #d8d2c8;
    --accent: #c75000;
    --accent-dark: #933b00;
    --good: #1f7a4d;
    --warn: #9a6800;
    --bad: #a33a2a;
    --focus: rgba(199, 80, 0, 0.22);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-panel {
    width: 100%;
    max-width: 430px;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 50px rgba(32, 33, 36, 0.12);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background:
        linear-gradient(90deg, transparent 48%, rgba(255, 255, 255, 0.42) 48%, rgba(255, 255, 255, 0.42) 54%, transparent 54%),
        repeating-linear-gradient(135deg, #222 0 7px, var(--accent) 7px 14px);
    border: 1px solid rgba(0, 0, 0, 0.18);
    flex: 0 0 auto;
}

h1 {
    margin: 0;
    font-size: 30px;
    line-height: 1.1;
    letter-spacing: 0;
}

p {
    margin: 6px 0 0;
    color: var(--muted);
}

.stacked-form {
    display: grid;
    gap: 12px;
}

label {
    font-size: 14px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 0;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--focus);
}

button,
.button-link {
    min-height: 44px;
    padding: 10px 14px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

button:hover,
.button-link:hover {
    background: var(--accent-dark);
}

.muted-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--accent-dark);
    font-weight: 700;
    text-decoration: none;
}

.messages {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.message {
    padding: 11px 12px;
    border-radius: 6px;
    font-size: 14px;
    border: 1px solid var(--line);
    background: #fff;
}

.message.error {
    border-color: #e3a69c;
    background: #fff1ef;
    color: var(--bad);
}

.message.warning {
    border-color: #e0c27d;
    background: #fff7df;
    color: var(--warn);
}

.message.success {
    border-color: #9dc9b1;
    background: #edf8f1;
    color: var(--good);
}

@media (max-width: 520px) {
    .login-panel {
        padding: 22px;
    }

    h1 {
        font-size: 26px;
    }
}