:root {
    --login-bg-start: #f4efe3;
    --login-bg-end: #dbe9e2;
    --login-accent: #0f766e;
    --login-accent-dark: #115e59;
    --login-surface: #ffffff;
    --login-text: #1f2937;
    --login-muted: #6b7280;
    --login-border: rgba(15, 118, 110, 0.22);
}

body {
    margin: 0;
    font-family: 'Sora', sans-serif;
    color: var(--login-text);
    background:
        radial-gradient(circle at 12% 14%, rgba(15, 118, 110, 0.14), transparent 45%),
        radial-gradient(circle at 86% 82%, rgba(180, 83, 9, 0.12), transparent 42%),
        linear-gradient(135deg, var(--login-bg-start), var(--login-bg-end));
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
}

.login-card {
    width: 100%;
    max-width: 460px;
    border-radius: 18px;
    background: var(--login-surface);
    border: 1px solid var(--login-border);
    box-shadow: 0 26px 48px rgba(17, 24, 39, 0.16);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 6px;
    background: linear-gradient(90deg, #0f766e, #b45309);
}

.login-eyebrow {
    display: inline-block;
    padding: 6px 10px;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--login-accent-dark);
    background: rgba(15, 118, 110, 0.11);
    border-radius: 999px;
    margin-bottom: 14px;
    font-weight: 600;
}

.login-title {
    margin: 0 0 8px 0;
    font-size: 1.8rem;
    line-height: 1.2;
}

.login-subtitle {
    margin: 0 0 18px 0;
    color: var(--login-muted);
    font-size: 0.95rem;
}

.login-error-alert {
    margin-bottom: 12px;
}

.login-form .form-group {
    margin-bottom: 14px;
}

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #374151;
}

.login-form input {
    width: 100%;
    box-sizing: border-box;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    padding: 11px 12px;
    background: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-form input:focus {
    outline: none;
    border-color: var(--login-accent);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.16);
}

.login-submit {
    width: 100%;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--login-accent), var(--login-accent-dark));
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 14px;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.login-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(15, 118, 110, 0.24);
}

@media (max-width: 560px) {
    .login-shell {
        padding: 14px;
    }

    .login-card {
        padding: 22px 16px;
        border-radius: 14px;
    }

    .login-title {
        font-size: 1.45rem;
    }
}