/* =============================================
     Login Screen
     ============================================= */
.login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    z-index: 1000;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 16px rgba(0,0,0,.08);
    padding: 40px 36px 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.login-card__title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 28px;
}

.login-card__submit {
    width: 100%;
    margin-top: 8px;
}

/* =============================================
     Form Fields
     ============================================= */
.form-field {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 14px;
}

.form-field__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
}

.form-field__input {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10,23,131,.1);
}

.form-field__input::placeholder { color: var(--color-text-muted); }

/* =============================================
     Login Error
     ============================================= */
.login-error {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    font-size: 13px;
    margin-bottom: 14px;
}