:root {
    --bg-top: #f6ead3;
    --bg-bottom: #ead5b1;
    --panel: rgba(32, 24, 17, 0.84);
    --panel-border: rgba(255, 234, 201, 0.14);
    --text-main: #fff8ea;
    --text-sub: rgba(255, 244, 223, 0.78);
    --gold: #e3ba6a;
    --gold-deep: #b98533;
    --input-bg: rgba(255, 248, 236, 0.12);
    --input-border: rgba(255, 230, 188, 0.18);
    --input-focus: rgba(227, 186, 106, 0.35);
    --error-bg: rgba(141, 49, 35, 0.18);
    --error-text: #ffd0c4;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Noto Serif SC", serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at top left, rgba(255, 246, 220, 0.72), transparent 34%),
        radial-gradient(circle at bottom right, rgba(191, 138, 55, 0.28), transparent 28%),
        linear-gradient(135deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

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

.login-card {
    width: min(100%, 440px);
    padding: 34px 30px 28px;
    border-radius: 28px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    box-shadow: 0 24px 60px rgba(45, 28, 12, 0.28);
    backdrop-filter: blur(18px);
}

.login-eyebrow {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    color: #402a13;
    background: linear-gradient(135deg, rgba(241, 214, 155, 0.96), rgba(220, 180, 100, 0.96));
}

.login-title {
    margin: 18px 0 10px;
    font-size: clamp(34px, 6vw, 42px);
    line-height: 1.06;
}

.login-title span {
    color: var(--gold);
    font-style: italic;
}

.login-subtitle {
    margin: 0 0 26px;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.8;
}

.login-form {
    display: grid;
    gap: 16px;
}

.field {
    display: grid;
    gap: 8px;
}

.field label {
    font-size: 13px;
    color: rgba(255, 244, 223, 0.88);
}

.field input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-main);
    font-size: 15px;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.field input::placeholder {
    color: rgba(255, 244, 223, 0.42);
}

.field input:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px rgba(227, 186, 106, 0.12);
    transform: translateY(-1px);
}

.login-error {
    display: none;
    padding: 12px 14px;
    border-radius: 14px;
    background: var(--error-bg);
    color: var(--error-text);
    font-size: 13px;
    line-height: 1.6;
}

.login-error.show {
    display: block;
}

.login-submit {
    margin-top: 4px;
    border: none;
    border-radius: 18px;
    padding: 14px 18px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
    color: #23180f;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
    box-shadow: 0 18px 30px rgba(185, 133, 51, 0.28);
}

.login-submit:hover {
    transform: translateY(-1px);
}

.login-submit:disabled {
    opacity: 0.68;
    cursor: wait;
    transform: none;
}

.login-footer {
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--text-sub);
    font-size: 12px;
}

.login-footer a {
    color: var(--gold);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .login-shell {
        padding: 16px;
    }

    .login-card {
        padding: 28px 20px 22px;
        border-radius: 24px;
    }

    .login-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}