:root {
    --bg: #f6eadc;
    --bg-soft: rgba(255, 255, 255, 0.62);
    --card: rgba(255, 255, 255, 0.84);
    --card-strong: rgba(255, 255, 255, 0.94);
    --text: #2d241c;
    --muted: #6a5646;
    --line: rgba(65, 45, 28, 0.12);
    --shadow: 0 12px 40px rgba(40, 26, 17, 0.10);
    --shadow-soft: 0 4px 18px rgba(40, 26, 17, 0.08);
    --accent: #6f4a2d;
    --accent-hover: #5f3f27;
    --danger-bg: #fff1ef;
    --danger-border: #e5b8b1;
    --danger-text: #8a2c22;
    --radius-xl: 28px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --input-height: 56px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    background:
        radial-gradient(circle at top left, rgba(255,255,255,0.45), transparent 36%),
        radial-gradient(circle at bottom right, rgba(255,255,255,0.28), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.4;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.2rem;
}

.login-shell {
    width: min(100%, 1024px);
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.login-brand {
    position: relative;
    display: flex;
    align-items: center;
    padding: 3rem;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.05)),
        transparent;
}

.login-brand::after {
    content: "";
    position: absolute;
    inset: 1.2rem 0 1.2rem auto;
    width: 1px;
    background: var(--line);
}

.login-brand-inner {
    max-width: 30rem;
}

.eyebrow {
    margin: 0 0 0.6rem;
    font-size: 0.86rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

.login-brand h1 {
    margin: 0;
    font-size: clamp(2.2rem, 4vw, 4.2rem);
    line-height: 1.04;
    letter-spacing: 0.04em;
    color: var(--text);
}

.intro {
    margin: 1rem 0 0;
    max-width: 28rem;
    font-size: 1.08rem;
    color: var(--muted);
}

.login-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card-inner {
    width: min(100%, 28rem);
    padding: 2rem;
    background: var(--card-strong);
    border: 1px solid rgba(65, 45, 28, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.login-card-inner h2 {
    margin: 0 0 1.2rem;
    font-size: 1.7rem;
    line-height: 1.15;
    color: var(--text);
}

.alert {
    margin: 0 0 1rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.98rem;
}

.alert-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-text);
}

.login-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: grid;
    gap: 0.45rem;
}

.form-group label {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text);
}

.form-group input {
    width: 100%;
    height: var(--input-height);
    padding: 0 1rem;
    border: 1px solid rgba(65, 45, 28, 0.16);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
    font: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.form-group input::placeholder {
    color: #8c7a6d;
}

.form-group input:focus {
    border-color: rgba(111, 74, 45, 0.55);
    box-shadow: 0 0 0 4px rgba(111, 74, 45, 0.10);
    background: #fff;
}

.login-button {
    appearance: none;
    border: 0;
    border-radius: var(--radius-md);
    min-height: var(--input-height);
    padding: 0.95rem 1.2rem;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.08s ease, background-color 0.18s ease, box-shadow 0.18s ease;
    box-shadow: 0 8px 20px rgba(111, 74, 45, 0.22);
}

.login-button:hover {
    background: var(--accent-hover);
}

.login-button:active {
    transform: translateY(1px);
}

.login-button:focus-visible {
    outline: 0;
    box-shadow:
        0 0 0 4px rgba(111, 74, 45, 0.14),
        0 8px 20px rgba(111, 74, 45, 0.22);
}

@media (max-width: 860px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-brand {
        padding: 2rem 1.4rem 1rem;
    }

    .login-brand::after {
        display: none;
    }

    .login-card {
        padding: 1rem 1.2rem 1.2rem;
    }

    .login-card-inner {
        width: 100%;
        padding: 1.25rem;
    }

    .login-brand h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .intro {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .login-page {
        padding: 0.8rem;
    }

    .login-brand {
        padding: 1.4rem 1rem 0.5rem;
    }

    .login-card {
        padding: 0.6rem 0.8rem 0.9rem;
    }

    .login-card-inner {
        padding: 1rem;
        border-radius: 16px;
    }

    .login-card-inner h2 {
        font-size: 1.45rem;
    }

    .form-group input,
    .login-button {
        min-height: 52px;
    }
}